CINXE.COM

<!doctype html><html lang="en-US" prefix="og: https://ogp.me/ns#"><head><meta charSet="utf-8"/><meta name="viewport" content="width=device-width,initial-scale=1"/><link rel="icon" href="https://developer.mozilla.org/favicon-48x48.bc390275e955dacb2e65.png"/><link rel="apple-touch-icon" href="https://developer.mozilla.org/apple-touch-icon.528534bba673c38049c2.png"/><meta name="theme-color" content="#ffffff"/><link rel="manifest" href="https://developer.mozilla.org/manifest.f42880861b394dd4dc9b.json"/><link rel="search" type="application/opensearchdescription+xml" href="/opensearch.xml" title="MDN Web Docs"/><title>Häufige HTML-Probleme lösen - Lernen Sie Webentwicklung | MDN</title><link rel="alternate" title="Solve common HTML problems" href="https://developer.mozilla.org/en-US/docs/Learn_web_development/Howto/Solve_HTML_problems" hrefLang="en"/><link rel="alternate" title="Solución de problemas comunes de HTML" href="https://developer.mozilla.org/es/docs/Learn_web_development/Howto/Solve_HTML_problems" hrefLang="es"/><link rel="alternate" title="Apprendre à utiliser HTML pour résoudre des problèmes" href="https://developer.mozilla.org/fr/docs/Learn_web_development/Howto/Solve_HTML_problems" hrefLang="fr"/><link rel="alternate" title="HTML を使ってよくある問題を解決する" href="https://developer.mozilla.org/ja/docs/Learn_web_development/Howto/Solve_HTML_problems" hrefLang="ja"/><link rel="alternate" title="HTML을 사용하여 일반적인 문제 해결하기" href="https://developer.mozilla.org/ko/docs/Learn_web_development/Howto/Solve_HTML_problems" hrefLang="ko"/><link rel="alternate" title="Use HTML para resolver problemas comuns" href="https://developer.mozilla.org/pt-BR/docs/Learn_web_development/Howto/Solve_HTML_problems" hrefLang="pt"/><link rel="alternate" title="Использование HTML для решения общих задач" href="https://developer.mozilla.org/ru/docs/Learn_web_development/Howto/Solve_HTML_problems" hrefLang="ru"/><link rel="alternate" title="使用 HTML 解决常见问题" href="https://developer.mozilla.org/zh-CN/docs/Learn_web_development/Howto/Solve_HTML_problems" hrefLang="zh"/><link rel="alternate" title="使用HTML解決日常問題" href="https://developer.mozilla.org/zh-TW/docs/Learn_web_development/Howto/Solve_HTML_problems" hrefLang="zh-Hant"/><link rel="alternate" title="Häufige HTML-Probleme lösen" href="https://developer.mozilla.org/de/docs/Learn_web_development/Howto/Solve_HTML_problems" hrefLang="de"/><link rel="preload" as="font" type="font/woff2" href="/static/media/Inter.var.c2fe3cb2b7c746f7966a.woff2" crossorigin=""/><link rel="alternate" type="application/rss+xml" title="MDN Blog RSS Feed" href="https://developer.mozilla.org/en-US/blog/rss.xml" hrefLang="en"/><meta name="description" content="Die folgenden Links verweisen auf Lösungen zu alltäglichen Problemen, die Sie mit HTML lösen müssen."/><meta property="og:url" content="https://developer.mozilla.org/de/docs/Learn_web_development/Howto/Solve_HTML_problems"/><meta property="og:title" content="Häufige HTML-Probleme lösen - Lernen Sie Webentwicklung | MDN"/><meta property="og:type" content="website"/><meta property="og:locale" content="de"/><meta property="og:description" content="Die folgenden Links verweisen auf Lösungen zu alltäglichen Problemen, die Sie mit HTML lösen müssen."/><meta property="og:image" content="https://developer.mozilla.org/mdn-social-share.d893525a4fb5fb1f67a2.png"/><meta property="og:image:type" content="image/png"/><meta property="og:image:height" content="1080"/><meta property="og:image:width" content="1920"/><meta property="og:image:alt" content="The MDN Web Docs logo, featuring a blue accent color, displayed on a solid black background."/><meta property="og:site_name" content="MDN Web Docs"/><meta name="twitter:card" content="summary_large_image"/><meta name="twitter:creator" content="MozDevNet"/><link rel="canonical" href="https://developer.mozilla.org/de/docs/Learn_web_development/Howto/Solve_HTML_problems"/><style media="print">.article-actions-container,.document-toc-container,.language-menu,.main-menu-toggle,.on-github,.page-footer,.place,.sidebar,.top-banner,.top-navigation-main,ul.prev-next{display:none!important}.main-page-content,.main-page-content pre{padding:2px}.main-page-content pre{border-left-width:2px}</style><script src="/static/js/gtag.js" defer=""></script><script defer="" src="/static/js/main.f565372a.js"></script><link href="/static/css/main.3d9e7a02.css" rel="stylesheet"/></head><body><script>if(document.body.addEventListener("load",(t=>{t.target.classList.contains("interactive")&&t.target.setAttribute("data-readystate","complete")}),{capture:!0}),window&&document.documentElement){const t={light:"#ffffff",dark:"#1b1b1b"};try{const e=window.localStorage.getItem("theme");e&&(document.documentElement.className=e,document.documentElement.style.backgroundColor=t[e]);const o=window.localStorage.getItem("nop");o&&(document.documentElement.dataset.nop=o)}catch(t){console.warn("Unable to read theme from localStorage",t)}}</script><div id="root"><ul id="nav-access" class="a11y-nav"><li><a id="skip-main" href="#content">Skip to main content</a></li><li><a id="skip-search" href="#top-nav-search-input">Skip to search</a></li><li><a id="skip-select-language" href="#languages-switcher-button">Skip to select language</a></li></ul><div class="page-wrapper category-learn document-page"><div class="top-banner loading"><section class="place top container"></section></div><div class="sticky-header-container"><header class="top-navigation "><div class="container "><div class="top-navigation-wrap"><a href="/de/" class="logo" aria-label="MDN homepage"><svg id="mdn-docs-logo" xmlns="http://www.w3.org/2000/svg" x="0" y="0" viewBox="0 0 694.9 104.4" style="enable-background:new 0 0 694.9 104.4" xml:space="preserve" role="img"><title>MDN Web Docs</title><path d="M40.3 0 11.7 92.1H0L28.5 0h11.8zm10.4 0v92.1H40.3V0h10.4zM91 0 62.5 92.1H50.8L79.3 0H91zm10.4 0v92.1H91V0h10.4z" class="logo-m"></path><path d="M627.9 95.6h67v8.8h-67v-8.8z" class="logo-_"></path><path d="M367 42h-4l-10.7 30.8h-5.5l-10.8-26h-.4l-10.5 26h-5.2L308.7 42h-3.8v-5.6H323V42h-6.5l6.8 20.4h.4l10.3-26h4.7l11.2 26h.5l5.7-20.3h-6.2v-5.6H367V42zm34.9 20c-.4 3.2-2 5.9-4.7 8.2-2.8 2.3-6.5 3.4-11.3 3.4-5.4 0-9.7-1.6-13.1-4.7-3.3-3.2-5-7.7-5-13.7 0-5.7 1.6-10.3 4.7-14s7.4-5.5 12.9-5.5c5.1 0 9.1 1.6 11.9 4.7s4.3 6.9 4.3 11.3c0 1.5-.2 3-.5 4.7h-25.6c.3 7.7 4 11.6 10.9 11.6 2.9 0 5.1-.7 6.5-2 1.5-1.4 2.5-3 3-4.9l6 .9zM394 51.3c.2-2.4-.4-4.7-1.8-6.9s-3.8-3.3-7-3.3c-3.1 0-5.3 1-6.9 3-1.5 2-2.5 4.4-2.8 7.2H394zm51 2.4c0 5-1.3 9.5-4 13.7s-6.9 6.2-12.7 6.2c-6 0-10.3-2.2-12.7-6.7-.1.4-.2 1.4-.4 2.9s-.3 2.5-.4 2.9h-7.3c.3-1.7.6-3.5.8-5.3.3-1.8.4-3.7.4-5.5V22.3h-6v-5.6H416v27c1.1-2.2 2.7-4.1 4.7-5.7 2-1.6 4.8-2.4 8.4-2.4 4.6 0 8.4 1.6 11.4 4.7 3 3.2 4.5 7.6 4.5 13.4zm-7.7.6c0-4.2-1-7.4-3-9.5-2-2.2-4.4-3.3-7.4-3.3-3.4 0-6 1.2-8 3.7-1.9 2.4-2.9 5-3 7.7V57c0 3 1 5.6 3 7.7s4.5 3.1 7.6 3.1c3.6 0 6.3-1.3 8.1-3.9 1.8-2.7 2.7-5.9 2.7-9.6zm69.2 18.5h-13.2v-7.2c-1.2 2.2-2.8 4.1-4.9 5.6-2.1 1.6-4.8 2.4-8.3 2.4-4.8 0-8.7-1.6-11.6-4.9-2.9-3.2-4.3-7.7-4.3-13.3 0-5 1.3-9.6 4-13.7 2.6-4.1 6.9-6.2 12.8-6.2 5.7 0 9.8 2.2 12.3 6.5V22.3h-8.6v-5.6h15.8v50.6h6v5.5zM493.2 56v-4.4c-.1-3-1.2-5.5-3.2-7.3s-4.4-2.8-7.2-2.8c-3.6 0-6.3 1.3-8.2 3.9-1.9 2.6-2.8 5.8-2.8 9.6 0 4.1 1 7.3 3 9.5s4.5 3.3 7.4 3.3c3.2 0 5.8-1.3 7.8-3.8 2.1-2.6 3.1-5.3 3.2-8zm53.1-1.4c0 5.6-1.8 10.2-5.3 13.7s-8.2 5.3-13.9 5.3-10.1-1.7-13.4-5.1c-3.3-3.4-5-7.9-5-13.5 0-5.3 1.6-9.9 4.7-13.7 3.2-3.8 7.9-5.7 14.2-5.7s11 1.9 14.1 5.7c3 3.7 4.6 8.1 4.6 13.3zm-7.7-.2c0-4-1-7.2-3-9.5s-4.8-3.5-8.2-3.5c-3.6 0-6.4 1.2-8.3 3.7s-2.9 5.6-2.9 9.5c0 3.7.9 6.8 2.8 9.4 1.9 2.6 4.6 3.9 8.3 3.9 3.6 0 6.4-1.3 8.4-3.8 1.9-2.6 2.9-5.8 2.9-9.7zm45 5.8c-.4 3.2-1.9 6.3-4.4 9.1-2.5 2.9-6.4 4.3-11.8 4.3-5.2 0-9.4-1.6-12.6-4.8-3.2-3.2-4.8-7.7-4.8-13.7 0-5.5 1.6-10.1 4.7-13.9 3.2-3.8 7.6-5.7 13.2-5.7 2.3 0 4.6.3 6.7.8 2.2.5 4.2 1.5 6.2 2.9l1.5 9.5-5.9.7-1.3-6.1c-2.1-1.2-4.5-1.8-7.2-1.8-3.5 0-6.1 1.2-7.7 3.7-1.7 2.5-2.5 5.7-2.5 9.6 0 4.1.9 7.3 2.7 9.5 1.8 2.3 4.4 3.4 7.8 3.4 5.2 0 8.2-2.9 9.2-8.8l6.2 1.3zm34.7 1.9c0 3.6-1.5 6.5-4.6 8.5s-7 3-11.7 3c-5.7 0-10.6-1.2-14.6-3.6l1.2-8.8 5.7.6-.2 4.7c1.1.5 2.3.9 3.6 1.1s2.6.3 3.9.3c2.4 0 4.5-.4 6.5-1.3 1.9-.9 2.9-2.2 2.9-4.1 0-1.8-.8-3.1-2.3-3.8s-3.5-1.3-5.8-1.7-4.6-.9-6.9-1.4c-2.3-.6-4.2-1.6-5.7-2.9-1.6-1.4-2.3-3.5-2.3-6.3 0-4.1 1.5-6.9 4.6-8.5s6.4-2.4 9.9-2.4c2.6 0 5 .3 7.2.9 2.2.6 4.3 1.4 6.1 2.4l.8 8.8-5.8.7-.8-5.7c-2.3-1-4.7-1.6-7.2-1.6-2.1 0-3.7.4-5.1 1.1-1.3.8-2 2-2 3.8 0 1.7.8 2.9 2.3 3.6 1.5.7 3.4 1.2 5.7 1.6 2.2.4 4.5.8 6.7 1.4 2.2.6 4.1 1.6 5.7 3 1.4 1.6 2.2 3.7 2.2 6.6zM197.6 73.2h-17.1v-5.5h3.8V51.9c0-3.7-.7-6.3-2.1-7.9-1.4-1.6-3.3-2.3-5.7-2.3-3.2 0-5.6 1.1-7.2 3.4s-2.4 4.6-2.5 6.9v15.6h6v5.5h-17.1v-5.5h3.8V51.9c0-3.8-.7-6.4-2.1-7.9-1.4-1.5-3.3-2.3-5.6-2.3-3.2 0-5.5 1.1-7.2 3.3-1.6 2.2-2.4 4.5-2.5 6.9v15.8h6.9v5.5h-20.2v-5.5h6V42.4h-6.1v-5.6h13.4v6.4c1.2-2.1 2.7-3.8 4.7-5.2 2-1.3 4.4-2 7.3-2s5.3.7 7.5 2.1c2.2 1.4 3.7 3.5 4.5 6.4 1.1-2.5 2.7-4.5 4.9-6.1s4.8-2.4 7.9-2.4c3.5 0 6.5 1.1 8.9 3.3s3.7 5.6 3.7 10.2v18.2h6.1v5.5zm42.5 0h-13.2V66c-1.2 2.2-2.8 4.1-4.9 5.6-2.1 1.6-4.8 2.4-8.3 2.4-4.8 0-8.7-1.6-11.6-4.9-2.9-3.2-4.3-7.7-4.3-13.3 0-5 1.3-9.6 4-13.7 2.6-4.1 6.9-6.2 12.8-6.2s9.8 2.2 12.3 6.5V22.7h-8.6v-5.6h15.8v50.6h6v5.5zm-13.3-16.8V52c-.1-3-1.2-5.5-3.2-7.3s-4.4-2.8-7.2-2.8c-3.6 0-6.3 1.3-8.2 3.9-1.9 2.6-2.8 5.8-2.8 9.6 0 4.1 1 7.3 3 9.5s4.5 3.3 7.4 3.3c3.2 0 5.8-1.3 7.8-3.8 2.1-2.6 3.1-5.3 3.2-8zm61.5 16.8H269v-5.5h6V51.9c0-3.7-.7-6.3-2.2-7.9-1.4-1.6-3.4-2.3-5.7-2.3-3.1 0-5.6 1-7.4 3s-2.8 4.4-2.9 7v15.9h6v5.5h-19.3v-5.5h6V42.4h-6.2v-5.6h13.6V43c2.6-4.6 6.8-6.9 12.7-6.9 3.6 0 6.7 1.1 9.2 3.3s3.7 5.6 3.7 10.2v18.2h6v5.4h-.2z" class="logo-text"></path></svg></a><button title="Open main menu" type="button" class="button action has-icon main-menu-toggle" aria-haspopup="menu" aria-label="Open main menu" aria-expanded="false"><span class="button-wrap"><span class="icon icon-menu "></span><span class="visually-hidden">Open main menu</span></span></button></div><div class="top-navigation-main"><nav class="main-nav" aria-label="Main menu"><ul class="main-menu nojs"><li class="top-level-entry-container "><button type="button" id="references-button" class="top-level-entry menu-toggle" aria-controls="references-menu" aria-expanded="false">References</button><a href="/de/docs/Web" class="top-level-entry">References</a><ul id="references-menu" class="submenu references hidden inline-submenu-lg" aria-labelledby="references-button"><li class="apis-link-container mobile-only "><a href="/de/docs/Web" class="submenu-item "><div class="submenu-icon"></div><div class="submenu-content-container"><div class="submenu-item-heading">Overview / Web Technology</div><p class="submenu-item-description">Web technology reference for developers</p></div></a></li><li class="html-link-container "><a href="/de/docs/Web/HTML" class="submenu-item "><div class="submenu-icon html"></div><div class="submenu-content-container"><div class="submenu-item-heading">HTML</div><p class="submenu-item-description">Structure of content on the web</p></div></a></li><li class="css-link-container "><a href="/de/docs/Web/CSS" class="submenu-item "><div class="submenu-icon css"></div><div class="submenu-content-container"><div class="submenu-item-heading">CSS</div><p class="submenu-item-description">Code used to describe document style</p></div></a></li><li class="javascript-link-container "><a href="/de/docs/Web/JavaScript" class="submenu-item "><div class="submenu-icon javascript"></div><div class="submenu-content-container"><div class="submenu-item-heading">JavaScript</div><p class="submenu-item-description">General-purpose scripting language</p></div></a></li><li class="http-link-container "><a href="/de/docs/Web/HTTP" class="submenu-item "><div class="submenu-icon http"></div><div class="submenu-content-container"><div class="submenu-item-heading">HTTP</div><p class="submenu-item-description">Protocol for transmitting web resources</p></div></a></li><li class="apis-link-container "><a href="/de/docs/Web/API" class="submenu-item "><div class="submenu-icon apis"></div><div class="submenu-content-container"><div class="submenu-item-heading">Web APIs</div><p class="submenu-item-description">Interfaces for building web applications</p></div></a></li><li class="apis-link-container "><a href="/de/docs/Mozilla/Add-ons/WebExtensions" class="submenu-item "><div class="submenu-icon"></div><div class="submenu-content-container"><div class="submenu-item-heading">Web Extensions</div><p class="submenu-item-description">Developing extensions for web browsers</p></div></a></li><li class=" "><a href="/de/docs/Web/Accessibility" class="submenu-item "><div class="submenu-icon"></div><div class="submenu-content-container"><div class="submenu-item-heading">Accessibility</div><p class="submenu-item-description">Build web projects usable for all</p></div></a></li><li class="apis-link-container desktop-only "><a href="/de/docs/Web" class="submenu-item "><div class="submenu-icon"></div><div class="submenu-content-container"><div class="submenu-item-heading">Web Technology</div><p class="submenu-item-description">Web technology reference for developers</p></div></a></li></ul></li><li class="top-level-entry-container active"><button type="button" id="learn-button" class="top-level-entry menu-toggle" aria-controls="learn-menu" aria-expanded="false">Learn</button><a href="/de/docs/Learn_web_development" class="top-level-entry">Learn</a><ul id="learn-menu" class="submenu learn hidden inline-submenu-lg" aria-labelledby="learn-button"><li class="apis-link-container mobile-only "><a href="/de/docs/Learn_web_development" class="submenu-item "><div class="submenu-icon learn"></div><div class="submenu-content-container"><div class="submenu-item-heading">Overview / MDN Learning Area</div><p class="submenu-item-description">Learn web development</p></div></a></li><li class="apis-link-container desktop-only "><a href="/de/docs/Learn_web_development" class="submenu-item "><div class="submenu-icon learn"></div><div class="submenu-content-container"><div class="submenu-item-heading">MDN Learning Area</div><p class="submenu-item-description">Learn web development</p></div></a></li><li class="html-link-container "><a href="/de/docs/Learn_web_development/Core/Structuring_content" class="submenu-item "><div class="submenu-icon html"></div><div class="submenu-content-container"><div class="submenu-item-heading">HTML</div><p class="submenu-item-description">Learn to structure web content with HTML</p></div></a></li><li class="css-link-container "><a href="/de/docs/Learn_web_development/Core/Styling_basics" class="submenu-item "><div class="submenu-icon css"></div><div class="submenu-content-container"><div class="submenu-item-heading">CSS</div><p class="submenu-item-description">Learn to style content using CSS</p></div></a></li><li class="javascript-link-container "><a href="/de/docs/Learn_web_development/Core/Scripting" class="submenu-item "><div class="submenu-icon javascript"></div><div class="submenu-content-container"><div class="submenu-item-heading">JavaScript</div><p class="submenu-item-description">Learn to run scripts in the browser</p></div></a></li><li class=" "><a href="/de/docs/Learn_web_development/Core/Accessibility" class="submenu-item "><div class="submenu-icon"></div><div class="submenu-content-container"><div class="submenu-item-heading">Accessibility</div><p class="submenu-item-description">Learn to make the web accessible to all</p></div></a></li></ul></li><li class="top-level-entry-container "><button type="button" id="mdn-plus-button" class="top-level-entry menu-toggle" aria-controls="mdn-plus-menu" aria-expanded="false">Plus</button><a href="/de/plus" class="top-level-entry">Plus</a><ul id="mdn-plus-menu" class="submenu mdn-plus hidden inline-submenu-lg" aria-labelledby="mdn-plus-button"><li class=" "><a href="/de/plus" class="submenu-item "><div class="submenu-icon"></div><div class="submenu-content-container"><div class="submenu-item-heading">Overview</div><p class="submenu-item-description">A customized MDN experience</p></div></a></li><li class=" "><a href="/de/plus/ai-help" class="submenu-item "><div class="submenu-icon"></div><div class="submenu-content-container"><div class="submenu-item-heading">AI Help</div><p class="submenu-item-description">Get real-time assistance and support</p></div></a></li><li class=" "><a href="/de/plus/updates" class="submenu-item "><div class="submenu-icon"></div><div class="submenu-content-container"><div class="submenu-item-heading">Updates</div><p class="submenu-item-description">All browser compatibility updates at a glance</p></div></a></li><li class=" "><a href="/en-US/plus/docs/features/overview" class="submenu-item "><div class="submenu-icon"></div><div class="submenu-content-container"><div class="submenu-item-heading">Documentation</div><p class="submenu-item-description">Learn how to use MDN Plus</p></div></a></li><li class=" "><a href="/en-US/plus/docs/faq" class="submenu-item "><div class="submenu-icon"></div><div class="submenu-content-container"><div class="submenu-item-heading">FAQ</div><p class="submenu-item-description">Frequently asked questions about MDN Plus</p></div></a></li></ul></li><li class="top-level-entry-container "><a class="top-level-entry menu-link" href="/en-US/curriculum/">Curriculum <sup class="new">New</sup></a></li><li class="top-level-entry-container "><a class="top-level-entry menu-link" href="/en-US/blog/">Blog</a></li><li class="top-level-entry-container "><button type="button" id="tools-button" class="top-level-entry menu-toggle" aria-controls="tools-menu" aria-expanded="false">Tools</button><ul id="tools-menu" class="submenu tools hidden inline-submenu-lg" aria-labelledby="tools-button"><li class=" "><a href="/de/play" class="submenu-item "><div class="submenu-icon"></div><div class="submenu-content-container"><div class="submenu-item-heading">Playground</div><p class="submenu-item-description">Write, test and share your code</p></div></a></li><li class=" "><a href="/en-US/observatory" class="submenu-item "><div class="submenu-icon"></div><div class="submenu-content-container"><div class="submenu-item-heading">HTTP Observatory</div><p class="submenu-item-description">Scan a website for free</p></div></a></li><li class=" "><a href="/en-US/plus/ai-help" class="submenu-item "><div class="submenu-icon"></div><div class="submenu-content-container"><div class="submenu-item-heading">AI Help</div><p class="submenu-item-description">Get real-time assistance and support</p></div></a></li></ul></li></ul></nav><div class="header-search"><form action="/de/search" class="search-form search-widget" id="top-nav-search-form" role="search"><label id="top-nav-search-label" for="top-nav-search-input" class="visually-hidden">Search MDN</label><input aria-activedescendant="" aria-autocomplete="list" aria-controls="top-nav-search-menu" aria-expanded="false" aria-labelledby="top-nav-search-label" autoComplete="off" id="top-nav-search-input" role="combobox" type="search" class="search-input-field" name="q" placeholder=" " required="" value=""/><button type="button" class="button action has-icon clear-search-button"><span class="button-wrap"><span class="icon icon-cancel "></span><span class="visually-hidden">Clear search input</span></span></button><button type="submit" class="button action has-icon search-button"><span class="button-wrap"><span class="icon icon-search "></span><span class="visually-hidden">Search</span></span></button><div id="top-nav-search-menu" role="listbox" aria-labelledby="top-nav-search-label"></div></form></div><div class="theme-switcher-menu"><button type="button" class="button action has-icon theme-switcher-menu small" aria-haspopup="menu"><span class="button-wrap"><span class="icon icon-theme-os-default "></span>Theme</span></button></div><ul class="auth-container"><li><a href="/users/fxa/login/authenticate/?next=%2Fde%2Fdocs%2FLearn_web_development%2FHowto%2FSolve_HTML_problems" class="login-link" rel="nofollow">Log in</a></li><li><a href="/users/fxa/login/authenticate/?next=%2Fde%2Fdocs%2FLearn_web_development%2FHowto%2FSolve_HTML_problems" target="_self" rel="nofollow" class="button primary mdn-plus-subscribe-link"><span class="button-wrap">Sign up for free</span></a></li></ul></div></div></header><div class="article-actions-container"><div class="container"><button type="button" class="button action has-icon sidebar-button" aria-label="Expand sidebar" aria-expanded="false" aria-controls="sidebar-quicklinks"><span class="button-wrap"><span class="icon icon-sidebar "></span></span></button><nav class="breadcrumbs-container" aria-label="Breadcrumb"><ol typeof="BreadcrumbList" vocab="https://schema.org/" aria-label="breadcrumbs"><li property="itemListElement" typeof="ListItem"><a href="/de/docs/Learn_web_development" class="breadcrumb" property="item" typeof="WebPage"><span property="name">Lernen Sie Webentwicklung</span></a><meta property="position" content="1"/></li><li property="itemListElement" typeof="ListItem"><a href="/de/docs/Learn_web_development/Howto" class="breadcrumb" property="item" typeof="WebPage"><span property="name">Anleitung zur Lösung häufiger Probleme</span></a><meta property="position" content="2"/></li><li property="itemListElement" typeof="ListItem"><a href="/de/docs/Learn_web_development/Howto/Solve_HTML_problems" class="breadcrumb-current-page" property="item" typeof="WebPage"><span property="name">Häufige HTML-Probleme lösen</span></a><meta property="position" content="3"/></li></ol></nav><div class="article-actions"><button type="button" class="button action has-icon article-actions-toggle" aria-label="Article actions"><span class="button-wrap"><span class="icon icon-ellipses "></span><span class="article-actions-dialog-heading">Article Actions</span></span></button><ul class="article-actions-entries"><li class="article-actions-entry"><div class="languages-switcher-menu open-on-focus-within"><button id="languages-switcher-button" type="button" class="button action small has-icon languages-switcher-menu" aria-haspopup="menu"><span class="button-wrap"><span class="icon icon-language "></span>Deutsch<span title="Diese Übersetzung ist Teil eines Experiments."><span class="icon icon-experimental "></span></span></span></button><div class="hidden"><ul class="submenu language-menu " aria-labelledby="language-menu-button"><li class=" "><form class="submenu-item locale-redirect-setting"><div class="group"><label class="switch"><input type="checkbox" name="locale-redirect"/><span class="slider"></span><span class="label">Remember language</span></label><a href="https://github.com/orgs/mdn/discussions/739" rel="external noopener noreferrer" target="_blank" title="Enable this setting to automatically switch to this language when it's available. (Click to learn more.)"><span class="icon icon-question-mark "></span></a></div></form></li><li class=" "><a data-locale="en-US" href="/en-US/docs/Learn_web_development/Howto/Solve_HTML_problems" class="button submenu-item"><span>English (US)</span></a></li><li class=" "><a data-locale="es" href="/es/docs/Learn_web_development/Howto/Solve_HTML_problems" class="button submenu-item"><span>Español</span></a></li><li class=" "><a data-locale="fr" href="/fr/docs/Learn_web_development/Howto/Solve_HTML_problems" class="button submenu-item"><span>Français</span></a></li><li class=" "><a data-locale="ja" href="/ja/docs/Learn_web_development/Howto/Solve_HTML_problems" class="button submenu-item"><span>日本語</span></a></li><li class=" "><a data-locale="ko" href="/ko/docs/Learn_web_development/Howto/Solve_HTML_problems" class="button submenu-item"><span>한국어</span></a></li><li class=" "><a data-locale="pt-BR" href="/pt-BR/docs/Learn_web_development/Howto/Solve_HTML_problems" class="button submenu-item"><span>Português (do Brasil)</span></a></li><li class=" "><a data-locale="ru" href="/ru/docs/Learn_web_development/Howto/Solve_HTML_problems" class="button submenu-item"><span>Русский</span></a></li><li class=" "><a data-locale="zh-CN" href="/zh-CN/docs/Learn_web_development/Howto/Solve_HTML_problems" class="button submenu-item"><span>中文 (简体)</span></a></li><li class=" "><a data-locale="zh-TW" href="/zh-TW/docs/Learn_web_development/Howto/Solve_HTML_problems" class="button submenu-item"><span>正體中文 (繁體)</span></a></li></ul></div></div></li></ul></div></div></div></div><div class="container"><div class="notecard experimental localized-content-note"><p><a href="https://github.com/orgs/mdn/discussions/741" class="external"><strong>Experiment</strong>: Dieser Inhalt wurde automatisch aus dem Englischen übersetzt, und kann Fehler enthalten.</a></p></div></div><div class="main-wrapper"><div class="sidebar-container"><aside id="sidebar-quicklinks" class="sidebar"><button type="button" class="button action backdrop" aria-label="Collapse sidebar"><span class="button-wrap"></span></button><nav aria-label="Related Topics" class="sidebar-inner"><header class="sidebar-actions"><section class="sidebar-filter-container"><div class="sidebar-filter "><label id="sidebar-filter-label" class="sidebar-filter-label" for="sidebar-filter-input"><span class="icon icon-filter"></span><span class="visually-hidden">Filter sidebar</span></label><input id="sidebar-filter-input" autoComplete="off" class="sidebar-filter-input-field false" type="text" placeholder="Filter" value=""/><button type="button" class="button action has-icon clear-sidebar-filter-button"><span class="button-wrap"><span class="icon icon-cancel "></span><span class="visually-hidden">Clear filter input</span></span></button></div></section></header><div class="sidebar-inner-nav"><div class="in-nav-toc"><div class="document-toc-container"><section class="document-toc"><header><h2 class="document-toc-heading">In diesem Artikel</h2></header><ul class="document-toc-list"><li class="document-toc-item "><a class="document-toc-link" href="#ungewöhnliche_oder_fortgeschrittene_probleme">Ungewöhnliche oder fortgeschrittene Probleme</a></li><li class="document-toc-item "><a class="document-toc-link" href="#siehe_auch">Siehe auch</a></li></ul></section></div></div><div class="sidebar-body"><ol><li class="section"><a href="/de/docs/Learn_web_development/Getting_started">Einstiegsmodule</a></li><li class="toggle"><details><summary><a href="/de/docs/Learn_web_development/Getting_started/Environment_setup">Umgebung einrichten</a></summary><ol><li><a href="/de/docs/Learn_web_development/Getting_started/Environment_setup/Installing_software">Installation grundlegender Software</a></li><li><a href="/de/docs/Learn_web_development/Getting_started/Environment_setup/Browsing_the_web">Surfen im Web</a></li><li><a href="/de/docs/Learn_web_development/Getting_started/Environment_setup/Code_editors">Code-Editor</a></li><li><a href="/de/docs/Learn_web_development/Getting_started/Environment_setup/Dealing_with_files">Umgang mit Dateien</a></li><li><a href="/de/docs/Learn_web_development/Getting_started/Environment_setup/Command_line">Leitfaden für die Befehlszeilen-Einführung</a></li></ol></details></li><li class="toggle"><details><summary><a href="/de/docs/Learn_web_development/Getting_started/Your_first_website">Ihre erste Website</a></summary><ol><li><a href="/de/docs/Learn_web_development/Getting_started/Your_first_website/What_will_your_website_look_like">Wie wird Ihre Website aussehen?</a></li><li><a href="/de/docs/Learn_web_development/Getting_started/Your_first_website/Creating_the_content">HTML: Erstellen der Inhalte</a></li><li><a href="/de/docs/Learn_web_development/Getting_started/Your_first_website/Styling_the_content">CSS: Gestaltung des Inhalts</a></li><li><a href="/de/docs/Learn_web_development/Getting_started/Your_first_website/Adding_interactivity">JavaScript: Interaktivität hinzufügen</a></li><li><a href="/de/docs/Learn_web_development/Getting_started/Your_first_website/Publishing_your_website">Veröffentlichen Ihrer Website</a></li></ol></details></li><li class="toggle"><details><summary><a href="/de/docs/Learn_web_development/Getting_started/Web_standards">Webstandards</a></summary><ol><li><a href="/de/docs/Learn_web_development/Getting_started/Web_standards/How_the_web_works">How the web works</a></li><li><a href="/de/docs/Learn_web_development/Getting_started/Web_standards/The_web_standards_model">Das Modell der Webstandards</a></li><li><a href="/de/docs/Learn_web_development/Getting_started/Web_standards/How_browsers_load_websites">Wie Browser Websites laden</a></li></ol></details></li><li class="toggle"><details><summary><a href="/de/docs/Learn_web_development/Getting_started/Soft_skills">Soziale Kompetenzen</a></summary><ol><li><a href="/de/docs/Learn_web_development/Getting_started/Soft_skills/Research_and_learning">Forschung und Lernen</a></li><li><a href="/de/docs/Learn_web_development/Getting_started/Soft_skills/Collaboration_and_teamwork">Zusammenarbeit und Teamarbeit</a></li><li><a href="/de/docs/Learn_web_development/Getting_started/Soft_skills/Workflows_and_processes">Workflows und Prozesse</a></li><li><a href="/de/docs/Learn_web_development/Getting_started/Soft_skills/Job_interviews">Erfolgreich in Vorstellungsgesprächen</a></li></ol></details></li><li class="section"><a href="/de/docs/Learn_web_development/Core">Kernmodule</a></li><li class="toggle"><details><summary><a href="/de/docs/Learn_web_development/Core/Structuring_content">Inhalte mit HTML strukturieren</a></summary><ol><li><a href="/de/docs/Learn_web_development/Core/Structuring_content/Basic_HTML_syntax">Grundlegende HTML-Syntax</a></li><li><a href="/de/docs/Learn_web_development/Core/Structuring_content/Webpage_metadata">Was befindet sich im Kopf? Metadaten einer Webseite</a></li><li><a href="/de/docs/Learn_web_development/Core/Structuring_content/Headings_and_paragraphs">Überschriften und Absätze in HTML</a></li><li><a href="/de/docs/Learn_web_development/Core/Structuring_content/Emphasis_and_importance">Hervorhebung und Wichtigkeit</a></li><li><a href="/de/docs/Learn_web_development/Core/Structuring_content/Lists">Listen</a></li><li><a href="/de/docs/Learn_web_development/Core/Structuring_content/Structuring_documents">Strukturierung von Dokumenten</a></li><li><a href="/de/docs/Learn_web_development/Core/Structuring_content/Advanced_text_features">Erweiterte Textfunktionen</a></li><li><a href="/de/docs/Learn_web_development/Core/Structuring_content/Creating_links">Erstellen von Links</a></li><li><a href="/de/docs/Learn_web_development/Core/Structuring_content/Marking_up_a_letter">Herausforderung: Eine E-Mail korrekt auszeichnen</a></li><li><a href="/de/docs/Learn_web_development/Core/Structuring_content/Structuring_a_page_of_content">Herausforderung: Strukturierung einer Inhaltsseite</a></li><li><a href="/de/docs/Learn_web_development/Core/Structuring_content/HTML_images">HTML-Bilder</a></li><li><a href="/de/docs/Learn_web_development/Core/Structuring_content/HTML_video_and_audio">HTML video und audio</a></li><li><a href="/de/docs/Learn_web_development/Core/Structuring_content/Mozilla_splash_page">Herausforderung: Mozilla Splash-Seite</a></li><li><a href="/de/docs/Learn_web_development/Core/Structuring_content/HTML_table_basics">Grundlagen von HTML-Tabellen</a></li><li><a href="/de/docs/Learn_web_development/Core/Structuring_content/Table_accessibility">Barrierefreiheit von HTML-Tabellen</a></li><li><a href="/de/docs/Learn_web_development/Core/Structuring_content/Planet_data_table">Herausforderung: Strukturierung einer Planeten-Datentabelle</a></li><li><a href="/de/docs/Learn_web_development/Core/Structuring_content/HTML_forms">Formulare und Schaltflächen in HTML</a></li><li><a href="/de/docs/Learn_web_development/Core/Structuring_content/Debugging_HTML">Debugging von HTML</a></li></ol></details></li><li class="toggle"><details><summary><a href="/de/docs/Learn_web_development/Core/Styling_basics">Grundlagen des CSS-Stylings</a></summary><ol><li><a href="/de/docs/Learn_web_development/Core/Styling_basics/What_is_CSS">Was ist CSS?</a></li><li><a href="/de/docs/Learn_web_development/Core/Styling_basics/Getting_started">Einstieg in CSS</a></li><li><a href="/de/docs/Learn_web_development/Core/Styling_basics/Styling_a_bio_page">Herausforderung: Gestaltung einer Biografie-Seite</a></li><li><a href="/de/docs/Learn_web_development/Core/Styling_basics/Basic_selectors">Grundlagen der CSS-Selektoren</a></li><li><a href="/de/docs/Learn_web_development/Core/Styling_basics/Attribute_selectors">Attribut-Selektoren</a></li><li><a href="/de/docs/Learn_web_development/Core/Styling_basics/Pseudo_classes_and_elements">Pseudoklassen und Pseudoelemente</a></li><li><a href="/de/docs/Learn_web_development/Core/Styling_basics/Combinators">Kombinatoren</a></li><li><a href="/de/docs/Learn_web_development/Core/Styling_basics/Box_model">Das Box-Modell</a></li><li><a href="/de/docs/Learn_web_development/Core/Styling_basics/Handling_conflicts">Umgang mit Konflikten</a></li><li><a href="/de/docs/Learn_web_development/Core/Styling_basics/Values_and_units">CSS-Werte und -Einheiten</a></li><li><a href="/de/docs/Learn_web_development/Core/Styling_basics/Sizing">Größenbestimmung von Elementen in CSS</a></li><li><a href="/de/docs/Learn_web_development/Core/Styling_basics/Backgrounds_and_borders">Hintergründe und Rahmen</a></li><li><a href="/de/docs/Learn_web_development/Core/Styling_basics/Overflow">Überlaufender Inhalt</a></li><li><a href="/de/docs/Learn_web_development/Core/Styling_basics/Images_media_forms">Bilder, Medien und Formularelemente</a></li><li><a href="/de/docs/Learn_web_development/Core/Styling_basics/Tables">Tabellen stylen</a></li><li><a href="/de/docs/Learn_web_development/Core/Styling_basics/Debugging_CSS">Debugging CSS</a></li><li><a href="/de/docs/Learn_web_development/Core/Styling_basics/Fundamental_CSS_comprehension">Herausforderung: Grundlegendes CSS-Verständnis</a></li><li><a href="/de/docs/Learn_web_development/Core/Styling_basics/Fancy_letterheaded_paper">Herausforderung: Erstellung eines ansprechenden Briefpapiers</a></li><li><a href="/de/docs/Learn_web_development/Core/Styling_basics/Cool-looking_box">Herausforderung: Eine cool aussehende Box</a></li></ol></details></li><li class="toggle"><details><summary><a href="/de/docs/Learn_web_development/Core/Text_styling">CSS-Textgestaltung</a></summary><ol><li><a href="/de/docs/Learn_web_development/Core/Text_styling/Fundamentals">Grundlegendes zur Text- und Schriftgestaltung</a></li><li><a href="/de/docs/Learn_web_development/Core/Text_styling/Styling_lists">Listen gestalten</a></li><li><a href="/de/docs/Learn_web_development/Core/Text_styling/Styling_links">Gestaltung von Links</a></li><li><a href="/de/docs/Learn_web_development/Core/Text_styling/Web_fonts">Webfonts</a></li><li><a href="/de/docs/Learn_web_development/Core/Text_styling/Typesetting_a_homepage">Herausforderung: Setzen einer Startseite für eine Gemeinschaftsschule</a></li></ol></details></li><li class="toggle"><details><summary><a href="/de/docs/Learn_web_development/Core/CSS_layout">CSS-Layout</a></summary><ol><li><a href="/de/docs/Learn_web_development/Core/CSS_layout/Introduction">Einführung in CSS-Layout</a></li><li><a href="/de/docs/Learn_web_development/Core/CSS_layout/Floats">Floats</a></li><li><a href="/de/docs/Learn_web_development/Core/CSS_layout/Positioning">Platzierung</a></li><li><a href="/de/docs/Learn_web_development/Core/CSS_layout/Flexbox">Flexbox</a></li><li><a href="/de/docs/Learn_web_development/Core/CSS_layout/Grids">CSS-Grid-Layout</a></li><li><a href="/de/docs/Learn_web_development/Core/CSS_layout/Responsive_Design">Responsives Design</a></li><li><a href="/de/docs/Learn_web_development/Core/CSS_layout/Media_queries">Grundlagen von Media Query</a></li><li><a href="/de/docs/Learn_web_development/Core/CSS_layout/Fundamental_Layout_Comprehension">Herausforderung: Grundlegendes Verständnis von Layouts</a></li></ol></details></li><li class="toggle"><details><summary><a href="/de/docs/Learn_web_development/Core/Scripting">Dynamisches Scripting mit JavaScript</a></summary><ol><li><a href="/de/docs/Learn_web_development/Core/Scripting/What_is_JavaScript">Was ist JavaScript?</a></li><li><a href="/de/docs/Learn_web_development/Core/Scripting/A_first_splash">Erster Einblick in JavaScript</a></li><li><a href="/de/docs/Learn_web_development/Core/Scripting/What_went_wrong">Was ist schiefgelaufen? JavaScript-Fehlerbehebung</a></li><li><a href="/de/docs/Learn_web_development/Core/Scripting/Variables">Speichern der benötigten Informationen — Variablen</a></li><li><a href="/de/docs/Learn_web_development/Core/Scripting/Math">Grundlegende Mathematik in JavaScript – Zahlen und Operatoren</a></li><li><a href="/de/docs/Learn_web_development/Core/Scripting/Strings">Umgang mit Text — Zeichenketten in JavaScript</a></li><li><a href="/de/docs/Learn_web_development/Core/Scripting/Useful_string_methods">Nützliche String-Methoden</a></li><li><a href="/de/docs/Learn_web_development/Core/Scripting/Arrays">Arrays</a></li><li><a href="/de/docs/Learn_web_development/Core/Scripting/Silly_story_generator">Herausforderung: Blödsinnige Geschichtengenerator</a></li><li><a href="/de/docs/Learn_web_development/Core/Scripting/Conditionals">Entscheidungen in Ihrem Code treffen — Konditionalen</a></li><li><a href="/de/docs/Learn_web_development/Core/Scripting/Loops">Code-Schleifen</a></li><li><a href="/de/docs/Learn_web_development/Core/Scripting/Functions">Funktionen — wiederverwendbare Codeblöcke</a></li><li><a href="/de/docs/Learn_web_development/Core/Scripting/Build_your_own_function">Erstellen Sie Ihre eigene Funktion</a></li><li><a href="/de/docs/Learn_web_development/Core/Scripting/Return_values">Funktionsrückgabewerte</a></li><li><a href="/de/docs/Learn_web_development/Core/Scripting/Events">Einführung in Ereignisse</a></li><li><a href="/de/docs/Learn_web_development/Core/Scripting/Event_bubbling">Ereignis-Bubbling</a></li><li><a href="/de/docs/Learn_web_development/Core/Scripting/Image_gallery">Herausforderung: Bildergalerie</a></li><li><a href="/de/docs/Learn_web_development/Core/Scripting/Object_basics">JavaScript-Objektgrundlagen</a></li><li><a href="/de/docs/Learn_web_development/Core/Scripting/DOM_scripting">Einführung in DOM-Scripting</a></li><li><a href="/de/docs/Learn_web_development/Core/Scripting/Network_requests">Netzwerkanfragen mit JavaScript</a></li><li><a href="/de/docs/Learn_web_development/Core/Scripting/JSON">Arbeiten mit JSON</a></li><li><a href="/de/docs/Learn_web_development/Core/Scripting/Debugging_JavaScript">Debugging JavaScript and handling errors</a></li></ol></details></li><li class="toggle"><details><summary><a href="/de/docs/Learn_web_development/Core/Frameworks_libraries">JavaScript-Frameworks und -Bibliotheken</a></summary><ol><li><a href="/de/docs/Learn_web_development/Core/Frameworks_libraries/Introduction">Einführung in client-seitige Frameworks</a></li><li><a href="/de/docs/Learn_web_development/Core/Frameworks_libraries/Main_features">Hauptmerkmale von Frameworks</a></li><li><a href="/de/docs/Learn_web_development/Core/Frameworks_libraries/React_getting_started">Erste Schritte mit React</a></li><li><a href="/de/docs/Learn_web_development/Core/Frameworks_libraries/React_todo_list_beginning">Beginn unserer React To-Do-Liste</a></li><li><a href="/de/docs/Learn_web_development/Core/Frameworks_libraries/React_components">Komponenten in unserer React-App erstellen</a></li><li><a href="/de/docs/Learn_web_development/Core/Frameworks_libraries/React_interactivity_events_state">React Interaktivität: Events und State</a></li><li><a href="/de/docs/Learn_web_development/Core/Frameworks_libraries/React_interactivity_filtering_conditional_rendering">Reaktivität in React: Bearbeiten, Filtern, bedingtes Rendern</a></li><li><a href="/de/docs/Learn_web_development/Core/Frameworks_libraries/React_accessibility">Barrierefreiheit in React</a></li><li><a href="/de/docs/Learn_web_development/Core/Frameworks_libraries/React_resources">React-Ressourcen</a></li></ol></details></li><li class="toggle"><details><summary><a href="/de/docs/Learn_web_development/Core/Accessibility">Barrierefreiheit</a></summary><ol><li><a href="/de/docs/Learn_web_development/Core/Accessibility/What_is_accessibility">Was ist Barrierefreiheit?</a></li><li><a href="/de/docs/Learn_web_development/Core/Accessibility/Tooling">Barrierefreiheitstools und unterstützende Technologien</a></li><li><a href="/de/docs/Learn_web_development/Core/Accessibility/HTML">HTML: Eine gute Grundlage für Barrierefreiheit</a></li><li><a href="/de/docs/Learn_web_development/Core/Accessibility/CSS_and_JavaScript">CSS and JavaScript Zugänglichkeitsbest Practices</a></li><li><a href="/de/docs/Learn_web_development/Core/Accessibility/WAI-ARIA_basics">WAI-ARIA Grundlagen</a></li><li><a href="/de/docs/Learn_web_development/Core/Accessibility/Multimedia">Barrierefreie Multimedia-Inhalte</a></li><li><a href="/de/docs/Learn_web_development/Core/Accessibility/Mobile">Mobile Accessibility</a></li><li><a href="/de/docs/Learn_web_development/Core/Accessibility/Accessibility_troubleshooting">Herausforderung: Barrierefreiheits-Fehlerbehebung</a></li></ol></details></li><li><a href="/de/docs/Learn_web_development/Core/Design_for_developers">Design für Entwickler:innen</a></li><li><a href="/de/docs/Learn_web_development/Core/Version_control">Versionskontrolle</a></li><li class="section"><a href="/de/docs/Learn_web_development/Extensions">Erweiterungsmodule</a></li><li class="toggle"><details><summary><a href="/de/docs/Learn_web_development/Extensions/Advanced_JavaScript_objects">Advanced JavaScript objects</a></summary><ol><li><a href="/de/docs/Learn_web_development/Extensions/Advanced_JavaScript_objects/Object_prototypes">Objektprototypen</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Advanced_JavaScript_objects/Object-oriented_programming">Objektorientierte Programmierung</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Advanced_JavaScript_objects/Classes_in_JavaScript">Klassen in JavaScript</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Advanced_JavaScript_objects/Object_building_practice">Objektbaupraxis</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Advanced_JavaScript_objects/Adding_bouncing_balls_features">Herausforderung: Hinzufügen von Funktionen zu unserem hüpfenden Ball-Demo</a></li></ol></details></li><li class="toggle"><details><summary><a href="/de/docs/Learn_web_development/Extensions/Client-side_APIs">Client-seitige Web-APIs</a></summary><ol><li><a href="/de/docs/Learn_web_development/Extensions/Client-side_APIs/Introduction">Einführung in Web-APIs</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Client-side_APIs/Video_and_audio_APIs">Video- und Audio-APIs</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Client-side_APIs/Drawing_graphics">Zeichnen von Grafiken</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Client-side_APIs/Client-side_storage">Client-seitiger Speicher</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Client-side_APIs/Third_party_APIs">Third-party APIs</a></li></ol></details></li><li class="toggle"><details><summary><a href="/de/docs/Learn_web_development/Extensions/Async_JS">Asynchrones JavaScript</a></summary><ol><li><a href="/de/docs/Learn_web_development/Extensions/Async_JS/Introducing">Einführung in asynchrones JavaScript</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Async_JS/Promises">Anleitung zur Verwendung von Promises</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Async_JS/Implementing_a_promise-based_API">Wie man eine Promise-basierte API implementiert</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Async_JS/Introducing_workers">Einführung in Worker</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Async_JS/Sequencing_animations">Herausforderung: Animationen sequenzieren</a></li></ol></details></li><li class="toggle"><details><summary><a href="/de/docs/Learn_web_development/Extensions/Forms">Webformulare — Arbeiten mit Benutzerdaten</a></summary><ol><li><a href="/de/docs/Learn_web_development/Extensions/Forms/Your_first_form">Ihr erstes Formular</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Forms/How_to_structure_a_web_form">Wie man ein Webformular strukturiert</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Forms/Basic_native_form_controls">Grundlegende native Formularsteuerungen</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Forms/HTML5_input_types">Die HTML5-Eingabetypen</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Forms/Other_form_controls">Andere Formularelemente</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Forms/Styling_web_forms">Styling von Webformularen</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Forms/Advanced_form_styling">Fortgeschrittenes Formular-Styling</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Forms/UI_pseudo-classes">UI-Pseudoklassen</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Forms/Form_validation">Client-seitige Formularvalidierung</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Forms/Sending_and_retrieving_form_data">Senden von Formulardaten</a></li></ol></details></li><li class="toggle"><details><summary><a href="/de/docs/Learn_web_development/Extensions/Client-side_tools">Verständnis für clientseitige Tools</a></summary><ol><li><a href="/de/docs/Learn_web_development/Extensions/Client-side_tools/Overview">Überblick über Client-seitige Tools</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Client-side_tools/Package_management">Grundlagen des Paketmanagements</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Client-side_tools/Introducing_complete_toolchain">Einführung in eine vollständige Werkzeugkette</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Client-side_tools/Deployment">Bereitstellung unserer App</a></li></ol></details></li><li class="toggle"><details><summary><a href="/de/docs/Learn_web_development/Extensions/Server-side">Serverseitige Programmierung</a></summary><ol><li class="toggle"><details><summary><a href="/de/docs/Learn_web_development/Extensions/Server-side/First_steps">Erste Schritte auf der Serverseite</a></summary><ol><li><a href="/de/docs/Learn_web_development/Extensions/Server-side/First_steps/Introduction">Einführung in die Server-Seite</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Server-side/First_steps/Client-Server_overview">Überblick über Client-Server</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Server-side/First_steps/Web_frameworks">Server-seitige Web-Frameworks</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Server-side/First_steps/Website_security">Website-Sicherheit</a></li></ol></details></li><li class="toggle"><details><summary><a href="/de/docs/Learn_web_development/Extensions/Server-side/Django">Django Web-Framework (Python)</a></summary><ol><li><a href="/de/docs/Learn_web_development/Extensions/Server-side/Django/Introduction">Einführung in Django</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Server-side/Django/development_environment">Einrichten einer Django-Entwicklungsumgebung</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Server-side/Django/Tutorial_local_library_website">Django Tutorial: Die Website der lokalen Bibliothek</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Server-side/Django/skeleton_website">Django-Tutorial Teil 2: Erstellen einer Skelett-Website</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Server-side/Django/Models">Django Tutorial Teil 3: Verwenden von Modellen</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Server-side/Django/Admin_site">Django Tutorial Teil 4: Die Django Admin-Seite</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Server-side/Django/Home_page">Django Tutorial Teil 5: Erstellen unserer Homepage</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Server-side/Django/Generic_views">Django Tutorial Teil 6: Generische Listen- und Detailansichten</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Server-side/Django/Sessions">Django-Tutorial Teil 7: Sitzungs-Framework</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Server-side/Django/Authentication">Django-Tutorial Teil 8: Benutzer-Authentifizierung und -Berechtigungen</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Server-side/Django/Forms">Django Tutorial Teil 9: Arbeiten mit Formularen</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Server-side/Django/Testing">Django Tutorial Teil 10: Testen einer Django-Webanwendung</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Server-side/Django/Deployment">Django-Tutorial Teil 11: Bereitstellung von Django für die Produktion</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Server-side/Django/web_application_security">Django Webanwendungssicherheit</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Server-side/Django/django_assessment_blog">Bewertung: DIY Django Mini-Blog</a></li></ol></details></li><li class="toggle"><details><summary><a href="/de/docs/Learn_web_development/Extensions/Server-side/Express_Nodejs">Express Web-Framework (Node.js)</a></summary><ol><li><a href="/de/docs/Learn_web_development/Extensions/Server-side/Express_Nodejs/Introduction">Einführung in Express/Node</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Server-side/Express_Nodejs/development_environment">Einrichten einer Node-Entwicklungsumgebung</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Server-side/Express_Nodejs/Tutorial_local_library_website">Express Tutorial: Die Website der lokalen Bibliothek</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Server-side/Express_Nodejs/skeleton_website">Express-Tutorial Teil 2: Erstellen einer Skelett-Website</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Server-side/Express_Nodejs/mongoose">Express-Tutorial Teil 3: Verwendung einer Datenbank (mit Mongoose)</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Server-side/Express_Nodejs/routes">Express Tutorial Teil 4: Routen und Controller</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Server-side/Express_Nodejs/Displaying_data">Express Tutorial Teil 5: Bibliotheksdaten anzeigen</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Server-side/Express_Nodejs/forms">Express Tutorial Teil 6: Arbeiten mit Formularen</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Server-side/Express_Nodejs/deployment">Express Tutorial Teil 7: Bereitstellung im Produktionsumfeld</a></li></ol></details></li></ol></details></li><li class="toggle"><details><summary><a href="/de/docs/Learn_web_development/Extensions/Performance">Web-Performance</a></summary><ol><li><a href="/de/docs/Learn_web_development/Extensions/Performance/why_web_performance">Das "Warum" der Web-Performance</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Performance/What_is_web_performance">Was ist Web-Performance?</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Performance/Perceived_performance">Wahrgenommene Leistung</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Performance/Measuring_performance">Leistungsmessung</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Performance/Multimedia">Multimedia: Bilder</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Performance/video">Multimedia: video</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Performance/JavaScript">JavaScript-Leistungsoptimierung</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Performance/HTML">HTML-Performance-Optimierung</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Performance/CSS">CSS-Leistungsoptimierung</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Performance/business_case_for_performance">Der geschäftliche Nutzen der Web-Performance</a></li></ol></details></li><li class="toggle"><details><summary><a href="/de/docs/Learn_web_development/Extensions/Testing">Tests</a></summary><ol><li><a href="/de/docs/Learn_web_development/Extensions/Testing/Introduction">Einführung in das Cross-Browser-Testing</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Testing/Testing_strategies">Strategien zur Durchführung von Tests</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Testing/HTML_and_CSS">Umgang mit häufigen HTML- und CSS-Problemen</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Testing/Feature_detection">Implementierung der Funktionsprüfung</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Testing/Automated_testing">Einführung in automatisiertes Testen</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Testing/Your_own_automation_environment">Einrichtung Ihrer eigenen Testautomatisierungsumgebung</a></li></ol></details></li><li><a href="/de/docs/Learn_web_development/Extensions/Transform_animate">CSS transformieren und animieren</a></li><li><a href="/de/docs/Learn_web_development/Extensions/Security_privacy">Sicherheit und Datenschutz</a></li><li class="section">Weitere Ressourcen</li><li class="toggle"><details open=""><summary><a href="/de/docs/Learn_web_development/Howto">Häufige Probleme lösen</a></summary><ol><li><em><a href="/de/docs/Learn_web_development/Howto/Solve_HTML_problems" aria-current="page">Häufige HTML-Probleme lösen</a></em></li><li><a href="/de/docs/Learn_web_development/Howto/Solve_CSS_problems">Häufige CSS-Probleme lösen</a></li><li><a href="/de/docs/Learn_web_development/Howto/Solve_JavaScript_problems">Häufige JavaScript-Probleme lösen</a></li><li><a href="/de/docs/Learn_web_development/Howto/Web_mechanics">Webmechanik</a></li><li><a href="/de/docs/Learn_web_development/Howto/Tools_and_setup">Tools und Einrichtung</a></li><li><a href="/de/docs/Learn_web_development/Howto/Design_and_accessibility">Design und Barrierefreiheit</a></li></ol></details></li><li><a href="/de/docs/Learn_web_development/About">Über</a></li><li><a href="/de/docs/Learn_web_development/Educators">Ressourcen für Lehrkräfte</a></li><li><a href="/de/docs/Learn_web_development/Changelog">Änderungsprotokoll</a></li></ol></div></div><section class="place side"></section></nav></aside><div class="toc-container"><aside class="toc"><nav><div class="document-toc-container"><section class="document-toc"><header><h2 class="document-toc-heading">In diesem Artikel</h2></header><ul class="document-toc-list"><li class="document-toc-item "><a class="document-toc-link" href="#ungewöhnliche_oder_fortgeschrittene_probleme">Ungewöhnliche oder fortgeschrittene Probleme</a></li><li class="document-toc-item "><a class="document-toc-link" href="#siehe_auch">Siehe auch</a></li></ul></section></div></nav></aside><section class="place side"></section></div></div><main id="content" class="main-content "><article class="main-page-content" lang="de"><header><h1>Häufige HTML-Probleme lösen</h1></header><div class="section-content"><p>Die folgenden Links verweisen auf Lösungen zu alltäglichen Problemen, die Sie mit HTML lösen müssen.</p></div><section aria-labelledby="grundstruktur"><h3 id="grundstruktur"><a href="#grundstruktur">Grundstruktur</a></h3><div class="section-content"><p>Die grundlegendste Anwendung von HTML ist die Dokumentstruktur. Wenn Sie neu in HTML sind, sollten Sie damit beginnen.</p> <ul> <li><a href="/de/docs/Learn_web_development/Core/Structuring_content/Basic_HTML_syntax#anatomy_of_an_html_document">Anleitung zum Erstellen eines grundlegenden HTML-Dokuments</a></li> <li><a href="/de/docs/Learn_web_development/Core/Structuring_content/Structuring_documents">Anleitung zum Teilen einer Webseite in logische Abschnitte</a></li> <li><a href="/de/docs/Learn_web_development/Core/Structuring_content/Headings_and_paragraphs">Anleitung zum Einrichten einer ordnungsgemäßen Struktur von Überschriften und Absätzen</a></li> </ul></div></section><section aria-labelledby="grundlegende_textsemantik"><h3 id="grundlegende_textsemantik"><a href="#grundlegende_textsemantik">Grundlegende Textsemantik</a></h3><div class="section-content"><p>HTML spezialisiert sich darauf, semantische Informationen für ein Dokument bereitzustellen, daher beantwortet HTML viele Fragen, die Sie möglicherweise darüber haben, wie Sie Ihre Botschaft am besten in Ihrem Dokument vermitteln.</p> <ul> <li><a href="/de/docs/Learn_web_development/Core/Structuring_content/Lists">Anleitung zum Erstellen einer Liste von Elementen mit HTML</a></li> <li><a href="/de/docs/Learn_web_development/Core/Structuring_content/Emphasis_and_importance">Anleitung zur Betonung oder Hervorhebung von Inhalten</a></li> <li><a href="/de/docs/Learn_web_development/Core/Structuring_content/Emphasis_and_importance">Anleitung zur Kennzeichnung wichtiger Texte</a></li> <li><a href="/de/docs/Learn_web_development/Core/Structuring_content/Advanced_text_features#representing_computer_code">Anleitung zum Anzeigen von Computercode mit HTML</a></li> <li><a href="/de/docs/Learn_web_development/Core/Structuring_content/HTML_images#annotating_images_with_figures_and_figure_captions">Anleitung zum Annotieren von Bildern und Grafiken</a></li> <li><a href="/de/docs/Learn_web_development/Core/Structuring_content/Advanced_text_features#abbreviations">Anleitung zum Markieren von Abkürzungen und deren Verständlichmachung</a></li> <li><a href="/de/docs/Learn_web_development/Core/Structuring_content/Advanced_text_features#quotations">Anleitung zum Hinzufügen von Zitaten und Quellenangaben zu Webseiten</a></li> <li><a href="/de/docs/Learn_web_development/Howto/Solve_HTML_problems/Define_terms_with_HTML">Anleitung zur Definition von Begriffen mit HTML</a></li> </ul></div></section><section aria-labelledby="hyperlinks"><h3 id="hyperlinks"><a href="#hyperlinks">Hyperlinks</a></h3><div class="section-content"><p>Ein Hauptgrund von HTML ist die einfache Navigation mit <a href="/de/docs/Glossary/Hyperlink">Hyperlinks</a>, die auf viele verschiedene Arten verwendet werden können:</p> <ul> <li><a href="/de/docs/Learn_web_development/Core/Structuring_content/Creating_links">Anleitung zum Erstellen eines Links</a></li> <li><a href="/de/docs/Learn_web_development/Core/Structuring_content/Creating_links#active_learning_creating_a_navigation_menu">Anleitung zum Erstellen eines Inhaltsverzeichnisses mit HTML</a></li> </ul></div></section><section aria-labelledby="bilder_multimedia"><h3 id="bilder_multimedia"><a href="#bilder_multimedia">Bilder & Multimedia</a></h3><div class="section-content"><ul> <li><a href="/de/docs/Learn_web_development/Core/Structuring_content/HTML_images#how_do_we_put_an_image_on_a_webpage">Anleitung zum Hinzufügen von Bildern zu einer Webseite</a></li> <li><a href="/de/docs/Learn_web_development/Core/Structuring_content/HTML_video_and_audio">Anleitung zum Hinzufügen von Videoinhalten zu einer Webseite</a></li> </ul></div></section><section aria-labelledby="skripting_styling"><h3 id="skripting_styling"><a href="#skripting_styling">Skripting & Styling</a></h3><div class="section-content"><p>HTML richtet nur die Dokumentstruktur ein. Um Präsentationsprobleme zu lösen, verwenden Sie <a href="/de/docs/Glossary/CSS">CSS</a>, oder verwenden Sie Skripting, um Ihre Seite interaktiv zu gestalten.</p> <ul> <li><a href="/de/docs/Learn_web_development/Core/Styling_basics/Getting_started#adding_css_to_our_document">Anleitung zur Verwendung von CSS innerhalb einer Webseite</a></li> <li><a href="/de/docs/Learn_web_development/Howto/Solve_HTML_problems/Use_JavaScript_within_a_webpage">Anleitung zur Verwendung von JavaScript innerhalb einer Webseite</a></li> </ul></div></section><section aria-labelledby="eingebettete_inhalte"><h3 id="eingebettete_inhalte"><a href="#eingebettete_inhalte">Eingebettete Inhalte</a></h3><div class="section-content"><ul> <li><a href="/de/docs/Learn_web_development/Core/Structuring_content/General_embedding_technologies">Anleitung zur Einbettung einer Webseite in eine andere Webseite</a></li> </ul></div></section><section aria-labelledby="ungewöhnliche_oder_fortgeschrittene_probleme"><h2 id="ungewöhnliche_oder_fortgeschrittene_probleme"><a href="#ungewöhnliche_oder_fortgeschrittene_probleme">Ungewöhnliche oder fortgeschrittene Probleme</a></h2><div class="section-content"><p>Über die Grundlagen hinaus ist HTML sehr umfassend und bietet erweiterte Funktionen zur Lösung komplexer Probleme. Diese Artikel helfen Ihnen, die weniger häufigen Anwendungsfälle zu bewältigen, auf die Sie stoßen könnten:</p></div></section><section aria-labelledby="formulare"><h3 id="formulare"><a href="#formulare">Formulare</a></h3><div class="section-content"><p>Formulare sind eine komplexe HTML-Struktur, die dazu dient, Daten von einer Webseite an einen Webserver zu senden. Wir empfehlen Ihnen, unser <a href="/de/docs/Learn_web_development/Extensions/Forms">vollständiges, dediziertes Leitfaden</a> zu durchlaufen. Hier sollten Sie beginnen:</p> <ul> <li><a href="/de/docs/Learn_web_development/Extensions/Forms/Your_first_form">Anleitung zum Erstellen eines einfachen Webformulars</a></li> <li><a href="/de/docs/Learn_web_development/Extensions/Forms/How_to_structure_a_web_form">Anleitung zum Strukturieren eines Webformulars</a></li> </ul></div></section><section aria-labelledby="tabellarische_informationen"><h3 id="tabellarische_informationen"><a href="#tabellarische_informationen">Tabellarische Informationen</a></h3><div class="section-content"><p>Einige Informationen, sogenannte tabellarische Daten, müssen in Tabellen mit Spalten und Zeilen organisiert werden. Es ist eine der komplexesten HTML-Strukturen, und deren Beherrschung ist nicht einfach:</p> <ul> <li><a href="/de/docs/Learn_web_development/Core/Structuring_content/HTML_table_basics">Anleitung zum Erstellen einer Datentabelle</a></li> <li><a href="/de/docs/Learn_web_development/Core/Structuring_content/Table_accessibility">Anleitung zur Zugänglichmachung von HTML-Tabellen</a></li> </ul></div></section><section aria-labelledby="datenrepräsentation"><h3 id="datenrepräsentation"><a href="#datenrepräsentation">Datenrepräsentation</a></h3><div class="section-content"><ul> <li>Anleitung zur Darstellung von Zahlenwerten und Codewerten mit HTML — siehe <a href="/de/docs/Learn_web_development/Core/Structuring_content/Advanced_text_features#superscript_and_subscript">Hoch- und Tiefgestellt</a>, und <a href="/de/docs/Learn_web_development/Core/Structuring_content/Advanced_text_features#representing_computer_code">Darstellung von Computercode</a>.</li> <li><a href="/de/docs/Learn_web_development/Howto/Solve_HTML_problems/Use_data_attributes">Anleitung zur Verwendung von Datenattributen</a></li> </ul></div></section><section aria-labelledby="erweiterte_textsemantik"><h3 id="erweiterte_textsemantik"><a href="#erweiterte_textsemantik">Erweiterte Textsemantik</a></h3><div class="section-content"><ul> <li><a href="/de/docs/Web/HTML/Element/br">Anleitung zur Steuerung des Zeilenumbruchs in HTML</a></li> <li>Wie man Änderungen (hinzugefügter und entfernter Text) markiert — siehe die <a href="/de/docs/Web/HTML/Element/ins"><code><ins></code></a> und <a href="/de/docs/Web/HTML/Element/del"><code><del></code></a> Elemente.</li> </ul></div></section><section aria-labelledby="erweiterte_bilder_multimedia"><h3 id="erweiterte_bilder_multimedia"><a href="#erweiterte_bilder_multimedia">Erweiterte Bilder & Multimedia</a></h3><div class="section-content"><ul> <li><a href="/de/docs/Web/HTML/Responsive_images">Anleitung zum Hinzufügen eines responsiven Bildes zu einer Webseite</a></li> <li><a href="/de/docs/Learn_web_development/Core/Structuring_content/Including_vector_graphics_in_HTML">Anleitung zum Hinzufügen eines Vektorgrafikbildes zu einer Webseite</a></li> <li><a href="/de/docs/Learn_web_development/Howto/Solve_HTML_problems/Add_a_hit_map_on_top_of_an_image">Anleitung zum Hinzufügen einer Trefferkarte über ein Bild</a></li> </ul></div></section><section aria-labelledby="internationalisierung"><h3 id="internationalisierung"><a href="#internationalisierung">Internationalisierung</a></h3><div class="section-content"><p>HTML ist nicht einsprachig. Es bietet Werkzeuge zur Bewältigung allgemeiner Internationalisierungsprobleme.</p> <ul> <li><a href="/de/docs/Learn_web_development/Core/Structuring_content/Webpage_metadata#setting_the_primary_language_of_the_document">Anleitung zum Hinzufügen mehrerer Sprachen in eine einzelne Webseite</a></li> <li><a href="/de/docs/Learn_web_development/Core/Structuring_content/Advanced_text_features#marking_up_times_and_dates">Anleitung zur Anzeige von Zeit und Datum mit HTML</a></li> </ul></div></section><section aria-labelledby="performance"><h3 id="performance"><a href="#performance">Performance</a></h3><div class="section-content"><ul> <li><a href="/de/docs/Learn_web_development/Howto/Solve_HTML_problems/Author_fast-loading_HTML_pages">Anleitung zur Erstellung von schnell ladenden HTML-Seiten</a></li> </ul></div></section><section aria-labelledby="siehe_auch"><h2 id="siehe_auch"><a href="#siehe_auch">Siehe auch</a></h2><div class="section-content"><ul> <li><a href="/de/docs/Learn_web_development/Howto/Solve_HTML_problems/Cheatsheet">HTML-Spickzettel</a></li> </ul></div></section></article><aside class="article-footer"><div class="article-footer-inner"><div class="svg-container"><svg xmlns="http://www.w3.org/2000/svg" width="162" height="162" viewBox="0 0 162 162" fill="none" role="none"><mask id="b" fill="#fff"><path d="M97.203 47.04c8.113-7.886 18.004-13.871 28.906-17.492a78 78 0 0 1 33.969-3.39c11.443 1.39 22.401 5.295 32.024 11.411s17.656 14.28 23.476 23.86c5.819 9.579 9.269 20.318 10.083 31.385a69.85 69.85 0 0 1-5.387 32.44c-4.358 10.272-11.115 19.443-19.747 26.801-8.632 7.359-18.908 12.709-30.034 15.637l-6.17-21.698c7.666-2.017 14.746-5.703 20.694-10.773 5.948-5.071 10.603-11.389 13.606-18.467a48.14 48.14 0 0 0 3.712-22.352c-.561-7.625-2.938-15.025-6.948-21.625s-9.544-12.226-16.175-16.44-14.181-6.904-22.065-7.863a53.75 53.75 0 0 0-23.405 2.336c-7.513 2.495-14.327 6.62-19.918 12.053z"></path></mask><path stroke="url(#a)" stroke-dasharray="6, 6" stroke-width="2" d="M97.203 47.04c8.113-7.886 18.004-13.871 28.906-17.492a78 78 0 0 1 33.969-3.39c11.443 1.39 22.401 5.295 32.024 11.411s17.656 14.28 23.476 23.86c5.819 9.579 9.269 20.318 10.083 31.385a69.85 69.85 0 0 1-5.387 32.44c-4.358 10.272-11.115 19.443-19.747 26.801-8.632 7.359-18.908 12.709-30.034 15.637l-6.17-21.698c7.666-2.017 14.746-5.703 20.694-10.773 5.948-5.071 10.603-11.389 13.606-18.467a48.14 48.14 0 0 0 3.712-22.352c-.561-7.625-2.938-15.025-6.948-21.625s-9.544-12.226-16.175-16.44-14.181-6.904-22.065-7.863a53.75 53.75 0 0 0-23.405 2.336c-7.513 2.495-14.327 6.62-19.918 12.053z" mask="url(#b)" style="stroke:url(#a)" transform="translate(-63.992 -25.587)"></path><ellipse cx="8.066" cy="111.597" fill="var(--background-tertiary)" rx="53.677" ry="53.699" transform="matrix(.71707 -.697 .7243 .6895 0 0)"></ellipse><g clip-path="url(#c)" transform="translate(-63.992 -25.587)"><path fill="#9abff5" d="m144.256 137.379 32.906 12.434a4.41 4.41 0 0 1 2.559 5.667l-9.326 24.679a4.41 4.41 0 0 1-5.667 2.559l-8.226-3.108-2.332 6.17c-.466 1.233-.375 1.883-1.609 1.417l-2.253-.527c-.411-.155-.95-.594-1.206-1.161l-4.734-10.484-12.545-4.741a4.41 4.41 0 0 1-2.559-5.667l9.325-24.679a4.41 4.41 0 0 1 5.667-2.559m9.961 29.617 8.227 3.108 3.264-8.638-.498-6.768-4.113-1.555.548 7.258-4.319-1.632zm-12.339-4.663 8.226 3.108 3.264-8.637-.498-6.769-4.113-1.554.548 7.257-4.319-1.632z"></path></g><g clip-path="url(#d)" transform="translate(-63.992 -25.587)"><path fill="#81b0f3" d="M135.35 60.136 86.67 41.654c-3.346-1.27-7.124.428-8.394 3.775L64.414 81.938c-1.27 3.347.428 7.125 3.774 8.395l12.17 4.62-3.465 9.128c-.693 1.826-1.432 2.457.394 3.15l3.014 1.625c.609.231 1.637.274 2.477-.104l15.53-6.983 18.56 7.047c3.346 1.27 7.124-.428 8.395-3.775l13.862-36.51c1.27-3.346-.428-7.124-3.775-8.395M95.261 83.207l-12.17-4.62 4.852-12.779 7.19-7.017 6.085 2.31-7.725 7.51 6.389 2.426zm18.255 6.93-12.17-4.62 4.852-12.778 7.189-7.017 6.085 2.31-7.725 7.51 6.39 2.426z"></path></g><defs><clipPath id="c"><path fill="#fff" d="m198.638 146.586-65.056-24.583-24.583 65.057 65.056 24.582z"></path></clipPath><clipPath id="d"><path fill="#fff" d="m66.438 14.055 96.242 36.54-36.54 96.243-96.243-36.54z"></path></clipPath><linearGradient id="a" x1="97.203" x2="199.995" y1="47.04" y2="152.793" gradientUnits="userSpaceOnUse"><stop stop-color="#086DFC"></stop><stop offset="0.246" stop-color="#2C81FA"></stop><stop offset="0.516" stop-color="#5497F8"></stop><stop offset="0.821" stop-color="#80B0F6"></stop><stop offset="1" stop-color="#9ABFF5"></stop></linearGradient></defs></svg></div><h2>MDN-Feedback-Box</h2><fieldset class="feedback"><label>War diese Übersetzung hilfreich?</label><div class="button-container"><button type="button" class="button primary has-icon yes"><span class="button-wrap"><span class="icon icon-thumbs-up "></span>Ja</span></button><button type="button" class="button primary has-icon no"><span class="button-wrap"><span class="icon icon-thumbs-down "></span>Nein</span></button></div></fieldset><p class="last-modified-date">Diese Seite wurde automatisch aus dem Englischen übersetzt.</p><div id="on-github" class="on-github"><a href="https://github.com/mdn/translated-content-de/blob/main/files/de/learn_web_development/howto/solve_html_problems/index.md?plain=1" title="Folder: de/learn_web_development/howto/solve_html_problems (Opens in a new tab)" target="_blank" rel="noopener noreferrer">Übersetzung auf GitHub anzeigen</a> • <a href="https://github.com/mdn/translated-content-de/issues/new?template=page-report-de.yml&mdn-url=https%3A%2F%2Fdeveloper.mozilla.org%2Fde%2Fdocs%2FLearn_web_development%2FHowto%2FSolve_HTML_problems&metadata=%3C%21--+Do+not+make+changes+below+this+line+--%3E%0A%3Cdetails%3E%0A%3Csummary%3EPage+report+details%3C%2Fsummary%3E%0A%0A*+Folder%3A+%60de%2Flearn_web_development%2Fhowto%2Fsolve_html_problems%60%0A*+MDN+URL%3A+https%3A%2F%2Fdeveloper.mozilla.org%2Fde%2Fdocs%2FLearn_web_development%2FHowto%2FSolve_HTML_problems%0A*+GitHub+URL%3A+https%3A%2F%2Fgithub.com%2Fmdn%2Ftranslated-content-de%2Fblob%2Fmain%2Ffiles%2Fde%2Flearn_web_development%2Fhowto%2Fsolve_html_problems%2Findex.md%0A*+Last+commit%3A+https%3A%2F%2Fgithub.com%2Fmdn%2Ftranslated-content-de%2Fcommit%2F452fe502cfb4c9a91c346af17370ecfb6a8bd17e%0A*+Document+last+modified%3A+2025-02-17T00%3A20%3A27.000Z%0A%0A%3C%2Fdetails%3E" title="This will take you to GitHub to file a new issue." target="_blank" rel="noopener noreferrer">Fehler mit dieser Übersetzung melden</a></div></div></aside></main></div></div><footer id="nav-footer" class="page-footer"><div class="page-footer-grid"><div class="page-footer-logo-col"><a href="/" class="mdn-footer-logo" aria-label="MDN homepage"><svg width="48" height="17" viewBox="0 0 48 17" fill="none" xmlns="http://www.w3.org/2000/svg"><title id="mdn-footer-logo-svg">MDN logo</title><path d="M20.04 16.512H15.504V10.416C15.504 9.488 15.344 8.824 15.024 8.424C14.72 8.024 14.264 7.824 13.656 7.824C12.92 7.824 12.384 8.064 12.048 8.544C11.728 9.024 11.568 9.64 11.568 10.392V14.184H13.008V16.512H8.472V10.416C8.472 9.488 8.312 8.824 7.992 8.424C7.688 8.024 7.232 7.824 6.624 7.824C5.872 7.824 5.336 8.064 5.016 8.544C4.696 9.024 4.536 9.64 4.536 10.392V14.184H6.6V16.512H0V14.184H1.44V8.04H0.024V5.688H4.536V7.32C5.224 6.088 6.32 5.472 7.824 5.472C8.608 5.472 9.328 5.664 9.984 6.048C10.64 6.432 11.096 7.016 11.352 7.8C11.992 6.248 13.168 5.472 14.88 5.472C15.856 5.472 16.72 5.776 17.472 6.384C18.224 6.992 18.6 7.936 18.6 9.216V14.184H20.04V16.512Z" fill="currentColor"></path><path d="M33.6714 16.512H29.1354V14.496C28.8314 15.12 28.3834 15.656 27.7914 16.104C27.1994 16.536 26.4154 16.752 25.4394 16.752C24.0154 16.752 22.8954 16.264 22.0794 15.288C21.2634 14.312 20.8554 12.984 20.8554 11.304C20.8554 9.688 21.2554 8.312 22.0554 7.176C22.8554 6.04 24.0634 5.472 25.6794 5.472C26.5594 5.472 27.2794 5.648 27.8394 6C28.3994 6.352 28.8314 6.8 29.1354 7.344V2.352H26.9754V0H32.2314V14.184H33.6714V16.512ZM29.1354 11.04V10.776C29.1354 9.88 28.8954 9.184 28.4154 8.688C27.9514 8.176 27.3674 7.92 26.6634 7.92C25.9754 7.92 25.3674 8.176 24.8394 8.688C24.3274 9.2 24.0714 10.008 24.0714 11.112C24.0714 12.152 24.3114 12.944 24.7914 13.488C25.2714 14.032 25.8394 14.304 26.4954 14.304C27.3114 14.304 27.9514 13.96 28.4154 13.272C28.8954 12.584 29.1354 11.84 29.1354 11.04Z" fill="currentColor"></path><path d="M47.9589 16.512H41.9829V14.184H43.4229V10.416C43.4229 9.488 43.2629 8.824 42.9429 8.424C42.6389 8.024 42.1829 7.824 41.5749 7.824C40.8389 7.824 40.2709 8.056 39.8709 8.52C39.4709 8.968 39.2629 9.56 39.2469 10.296V14.184H40.6869V16.512H34.7109V14.184H36.1509V8.04H34.5909V5.688H39.2469V7.344C39.9669 6.096 41.1269 5.472 42.7269 5.472C43.7509 5.472 44.6389 5.776 45.3909 6.384C46.1429 6.992 46.5189 7.936 46.5189 9.216V14.184H47.9589V16.512Z" fill="currentColor"></path></svg></a><p>Your blueprint for a better internet.</p><ul class="social-icons"><li><a href="https://mastodon.social/@mdn" target="_blank" rel="me noopener noreferrer"><span class="icon icon-mastodon"></span><span class="visually-hidden">MDN on Mastodon</span></a></li><li><a href="https://twitter.com/mozdevnet" target="_blank" rel="noopener noreferrer"><span class="icon icon-twitter-x"></span><span class="visually-hidden">MDN on X (formerly Twitter)</span></a></li><li><a href="https://github.com/mdn/" target="_blank" rel="noopener noreferrer"><span class="icon icon-github-mark-small"></span><span class="visually-hidden">MDN on GitHub</span></a></li><li><a href="/en-US/blog/rss.xml" target="_blank"><span class="icon icon-feed"></span><span class="visually-hidden">MDN Blog RSS Feed</span></a></li></ul></div><div class="page-footer-nav-col-1"><h2 class="footer-nav-heading">MDN</h2><ul class="footer-nav-list"><li class="footer-nav-item"><a href="/en-US/about">About</a></li><li class="footer-nav-item"><a href="/en-US/blog/">Blog</a></li><li class="footer-nav-item"><a href="https://www.mozilla.org/en-US/careers/listings/?team=ProdOps" target="_blank" rel="noopener noreferrer">Careers</a></li><li class="footer-nav-item"><a href="/en-US/advertising">Advertise with us</a></li></ul></div><div class="page-footer-nav-col-2"><h2 class="footer-nav-heading">Support</h2><ul class="footer-nav-list"><li class="footer-nav-item"><a class="footer-nav-link" href="https://support.mozilla.org/products/mdn-plus">Product help</a></li><li class="footer-nav-item"><a class="footer-nav-link" href="/de/docs/MDN/Community/Issues">Report an issue</a></li></ul></div><div class="page-footer-nav-col-3"><h2 class="footer-nav-heading">Our communities</h2><ul class="footer-nav-list"><li class="footer-nav-item"><a class="footer-nav-link" href="/en-US/community">MDN Community</a></li><li class="footer-nav-item"><a class="footer-nav-link" href="https://discourse.mozilla.org/c/mdn/236" target="_blank" rel="noopener noreferrer">MDN Forum</a></li><li class="footer-nav-item"><a class="footer-nav-link" href="/discord" target="_blank" rel="noopener noreferrer">MDN Chat</a></li></ul></div><div class="page-footer-nav-col-4"><h2 class="footer-nav-heading">Developers</h2><ul class="footer-nav-list"><li class="footer-nav-item"><a class="footer-nav-link" href="/de/docs/Web">Web Technologies</a></li><li class="footer-nav-item"><a class="footer-nav-link" href="/de/docs/Learn">Learn Web Development</a></li><li class="footer-nav-item"><a class="footer-nav-link" href="/de/plus">MDN Plus</a></li><li class="footer-nav-item"><a href="https://hacks.mozilla.org/" target="_blank" rel="noopener noreferrer">Hacks Blog</a></li></ul></div><div class="page-footer-moz"><a href="https://www.mozilla.org/" class="footer-moz-logo-link" target="_blank" rel="noopener noreferrer"><svg xmlns="http://www.w3.org/2000/svg" width="137" height="32" fill="none" viewBox="0 0 267.431 62.607"><path fill="currentColor" d="m13.913 23.056 5.33 25.356h2.195l5.33-25.356h14.267v38.976h-7.578V29.694h-2.194l-7.264 32.337h-7.343L9.418 29.694H7.223v32.337H-.354V23.056Zm47.137 9.123c9.12 0 14.423 5.385 14.423 15.214s-5.33 15.214-14.423 15.214c-9.12 0-14.423-5.385-14.423-15.214 0-9.855 5.304-15.214 14.423-15.214m0 24.363c4.285 0 6.428-2.196 6.428-7.032v-4.287c0-4.836-2.143-7.032-6.428-7.032s-6.428 2.196-6.428 7.032v4.287c0 4.836 2.143 7.032 6.428 7.032m18.473-.157 15.47-18.01h-15.26v-5.647h24.352v5.646L88.616 56.385h15.704v5.646H79.523Zm29.318-23.657h11.183V62.03h-7.578V38.375h-3.632v-5.646zm3.605-9.672h7.578v5.646h-7.578zm13.17 0h11.21v38.976h-7.578v-33.33h-3.632zm16.801 0H153.6v38.976h-7.577v-33.33h-3.632v-5.646zm29.03 9.123c4.442 0 7.394 2.143 8.231 5.881h2.194v-5.332h9.276v5.646h-3.632v18.011h3.632v5.646h-4.442c-3.135 0-4.834-1.699-4.834-4.836V56.7h-2.194c-.81 3.738-3.789 5.881-8.23 5.881-6.978 0-11.916-5.829-11.916-15.214 0-9.384 4.938-15.187 11.915-15.187m2.3 24.363c4.284 0 6.192-2.196 6.192-7.032v-4.287c0-4.836-1.908-7.032-6.193-7.032-4.18 0-6.193 2.196-6.193 7.032v4.287c0 4.836 2.012 7.032 6.193 7.032m48.34 5.489h-7.577V0h7.577zm6.585-29.643h32.165v-2.196l-21.295-7.634v-6.143l21.295-7.633V6.588h-25.345V0h32.165v12.522l-17.35 5.881V20.6l17.35 5.882v12.521h-38.985zm0-25.801h6.794v6.796h-6.794z"></path></svg></a><ul class="footer-moz-list"><li class="footer-moz-item"><a href="https://www.mozilla.org/privacy/websites/" class="footer-moz-link" target="_blank" rel="noopener noreferrer">Website Privacy Notice</a></li><li class="footer-moz-item"><a href="https://www.mozilla.org/privacy/websites/#cookies" class="footer-moz-link" target="_blank" rel="noopener noreferrer">Cookies</a></li><li class="footer-moz-item"><a href="https://www.mozilla.org/about/legal/terms/mozilla" class="footer-moz-link" target="_blank" rel="noopener noreferrer">Legal</a></li><li class="footer-moz-item"><a href="https://www.mozilla.org/about/governance/policies/participation/" class="footer-moz-link" target="_blank" rel="noopener noreferrer">Community Participation Guidelines</a></li></ul></div><div class="page-footer-legal"><p id="license" class="page-footer-legal-text">Visit <a href="https://www.mozilla.org" target="_blank" rel="noopener noreferrer">Mozilla Corporation’s</a> not-for-profit parent, the <a target="_blank" rel="noopener noreferrer" href="https://foundation.mozilla.org/">Mozilla Foundation</a>.<br/>Portions of this content are ©1998–2025 by individual mozilla.org contributors. Content available under <a href="/de/docs/MDN/Writing_guidelines/Attrib_copyright_license">a Creative Commons license</a>.</p></div></div></footer></div><script type="application/json" id="hydration">{"url":"/de/docs/Learn_web_development/Howto/Solve_HTML_problems","doc":{"body":[{"type":"prose","value":{"id":null,"title":null,"isH3":false,"content":"<p>Die folgenden Links verweisen auf Lösungen zu alltäglichen Problemen, die Sie mit HTML lösen müssen.</p>"}},{"type":"prose","value":{"id":"grundstruktur","title":"Grundstruktur","isH3":true,"content":"<p>Die grundlegendste Anwendung von HTML ist die Dokumentstruktur. Wenn Sie neu in HTML sind, sollten Sie damit beginnen.</p>\n<ul>\n<li><a href=\"/de/docs/Learn_web_development/Core/Structuring_content/Basic_HTML_syntax#anatomy_of_an_html_document\">Anleitung zum Erstellen eines grundlegenden HTML-Dokuments</a></li>\n<li><a href=\"/de/docs/Learn_web_development/Core/Structuring_content/Structuring_documents\">Anleitung zum Teilen einer Webseite in logische Abschnitte</a></li>\n<li><a href=\"/de/docs/Learn_web_development/Core/Structuring_content/Headings_and_paragraphs\">Anleitung zum Einrichten einer ordnungsgemäßen Struktur von Überschriften und Absätzen</a></li>\n</ul>"}},{"type":"prose","value":{"id":"grundlegende_textsemantik","title":"Grundlegende Textsemantik","isH3":true,"content":"<p>HTML spezialisiert sich darauf, semantische Informationen für ein Dokument bereitzustellen, daher beantwortet HTML viele Fragen, die Sie möglicherweise darüber haben, wie Sie Ihre Botschaft am besten in Ihrem Dokument vermitteln.</p>\n<ul>\n<li><a href=\"/de/docs/Learn_web_development/Core/Structuring_content/Lists\">Anleitung zum Erstellen einer Liste von Elementen mit HTML</a></li>\n<li><a href=\"/de/docs/Learn_web_development/Core/Structuring_content/Emphasis_and_importance\">Anleitung zur Betonung oder Hervorhebung von Inhalten</a></li>\n<li><a href=\"/de/docs/Learn_web_development/Core/Structuring_content/Emphasis_and_importance\">Anleitung zur Kennzeichnung wichtiger Texte</a></li>\n<li><a href=\"/de/docs/Learn_web_development/Core/Structuring_content/Advanced_text_features#representing_computer_code\">Anleitung zum Anzeigen von Computercode mit HTML</a></li>\n<li><a href=\"/de/docs/Learn_web_development/Core/Structuring_content/HTML_images#annotating_images_with_figures_and_figure_captions\">Anleitung zum Annotieren von Bildern und Grafiken</a></li>\n<li><a href=\"/de/docs/Learn_web_development/Core/Structuring_content/Advanced_text_features#abbreviations\">Anleitung zum Markieren von Abkürzungen und deren Verständlichmachung</a></li>\n<li><a href=\"/de/docs/Learn_web_development/Core/Structuring_content/Advanced_text_features#quotations\">Anleitung zum Hinzufügen von Zitaten und Quellenangaben zu Webseiten</a></li>\n<li><a href=\"/de/docs/Learn_web_development/Howto/Solve_HTML_problems/Define_terms_with_HTML\">Anleitung zur Definition von Begriffen mit HTML</a></li>\n</ul>"}},{"type":"prose","value":{"id":"hyperlinks","title":"Hyperlinks","isH3":true,"content":"<p>Ein Hauptgrund von HTML ist die einfache Navigation mit <a href=\"/de/docs/Glossary/Hyperlink\">Hyperlinks</a>, die auf viele verschiedene Arten verwendet werden können:</p>\n<ul>\n<li><a href=\"/de/docs/Learn_web_development/Core/Structuring_content/Creating_links\">Anleitung zum Erstellen eines Links</a></li>\n<li><a href=\"/de/docs/Learn_web_development/Core/Structuring_content/Creating_links#active_learning_creating_a_navigation_menu\">Anleitung zum Erstellen eines Inhaltsverzeichnisses mit HTML</a></li>\n</ul>"}},{"type":"prose","value":{"id":"bilder_multimedia","title":"Bilder & Multimedia","isH3":true,"content":"<ul>\n<li><a href=\"/de/docs/Learn_web_development/Core/Structuring_content/HTML_images#how_do_we_put_an_image_on_a_webpage\">Anleitung zum Hinzufügen von Bildern zu einer Webseite</a></li>\n<li><a href=\"/de/docs/Learn_web_development/Core/Structuring_content/HTML_video_and_audio\">Anleitung zum Hinzufügen von Videoinhalten zu einer Webseite</a></li>\n</ul>"}},{"type":"prose","value":{"id":"skripting_styling","title":"Skripting & Styling","isH3":true,"content":"<p>HTML richtet nur die Dokumentstruktur ein. Um Präsentationsprobleme zu lösen, verwenden Sie <a href=\"/de/docs/Glossary/CSS\">CSS</a>, oder verwenden Sie Skripting, um Ihre Seite interaktiv zu gestalten.</p>\n<ul>\n<li><a href=\"/de/docs/Learn_web_development/Core/Styling_basics/Getting_started#adding_css_to_our_document\">Anleitung zur Verwendung von CSS innerhalb einer Webseite</a></li>\n<li><a href=\"/de/docs/Learn_web_development/Howto/Solve_HTML_problems/Use_JavaScript_within_a_webpage\">Anleitung zur Verwendung von JavaScript innerhalb einer Webseite</a></li>\n</ul>"}},{"type":"prose","value":{"id":"eingebettete_inhalte","title":"Eingebettete Inhalte","isH3":true,"content":"<ul>\n<li><a href=\"/de/docs/Learn_web_development/Core/Structuring_content/General_embedding_technologies\">Anleitung zur Einbettung einer Webseite in eine andere Webseite</a></li>\n</ul>"}},{"type":"prose","value":{"id":"ungewöhnliche_oder_fortgeschrittene_probleme","title":"Ungewöhnliche oder fortgeschrittene Probleme","isH3":false,"content":"<p>Über die Grundlagen hinaus ist HTML sehr umfassend und bietet erweiterte Funktionen zur Lösung komplexer Probleme. Diese Artikel helfen Ihnen, die weniger häufigen Anwendungsfälle zu bewältigen, auf die Sie stoßen könnten:</p>"}},{"type":"prose","value":{"id":"formulare","title":"Formulare","isH3":true,"content":"<p>Formulare sind eine komplexe HTML-Struktur, die dazu dient, Daten von einer Webseite an einen Webserver zu senden. Wir empfehlen Ihnen, unser <a href=\"/de/docs/Learn_web_development/Extensions/Forms\">vollständiges, dediziertes Leitfaden</a> zu durchlaufen. Hier sollten Sie beginnen:</p>\n<ul>\n<li><a href=\"/de/docs/Learn_web_development/Extensions/Forms/Your_first_form\">Anleitung zum Erstellen eines einfachen Webformulars</a></li>\n<li><a href=\"/de/docs/Learn_web_development/Extensions/Forms/How_to_structure_a_web_form\">Anleitung zum Strukturieren eines Webformulars</a></li>\n</ul>"}},{"type":"prose","value":{"id":"tabellarische_informationen","title":"Tabellarische Informationen","isH3":true,"content":"<p>Einige Informationen, sogenannte tabellarische Daten, müssen in Tabellen mit Spalten und Zeilen organisiert werden. Es ist eine der komplexesten HTML-Strukturen, und deren Beherrschung ist nicht einfach:</p>\n<ul>\n<li><a href=\"/de/docs/Learn_web_development/Core/Structuring_content/HTML_table_basics\">Anleitung zum Erstellen einer Datentabelle</a></li>\n<li><a href=\"/de/docs/Learn_web_development/Core/Structuring_content/Table_accessibility\">Anleitung zur Zugänglichmachung von HTML-Tabellen</a></li>\n</ul>"}},{"type":"prose","value":{"id":"datenrepräsentation","title":"Datenrepräsentation","isH3":true,"content":"<ul>\n<li>Anleitung zur Darstellung von Zahlenwerten und Codewerten mit HTML — siehe <a href=\"/de/docs/Learn_web_development/Core/Structuring_content/Advanced_text_features#superscript_and_subscript\">Hoch- und Tiefgestellt</a>, und <a href=\"/de/docs/Learn_web_development/Core/Structuring_content/Advanced_text_features#representing_computer_code\">Darstellung von Computercode</a>.</li>\n<li><a href=\"/de/docs/Learn_web_development/Howto/Solve_HTML_problems/Use_data_attributes\">Anleitung zur Verwendung von Datenattributen</a></li>\n</ul>"}},{"type":"prose","value":{"id":"erweiterte_textsemantik","title":"Erweiterte Textsemantik","isH3":true,"content":"<ul>\n<li><a href=\"/de/docs/Web/HTML/Element/br\">Anleitung zur Steuerung des Zeilenumbruchs in HTML</a></li>\n<li>Wie man Änderungen (hinzugefügter und entfernter Text) markiert — siehe die <a href=\"/de/docs/Web/HTML/Element/ins\"><code><ins></code></a> und <a href=\"/de/docs/Web/HTML/Element/del\"><code><del></code></a> Elemente.</li>\n</ul>"}},{"type":"prose","value":{"id":"erweiterte_bilder_multimedia","title":"Erweiterte Bilder & Multimedia","isH3":true,"content":"<ul>\n<li><a href=\"/de/docs/Web/HTML/Responsive_images\">Anleitung zum Hinzufügen eines responsiven Bildes zu einer Webseite</a></li>\n<li><a href=\"/de/docs/Learn_web_development/Core/Structuring_content/Including_vector_graphics_in_HTML\">Anleitung zum Hinzufügen eines Vektorgrafikbildes zu einer Webseite</a></li>\n<li><a href=\"/de/docs/Learn_web_development/Howto/Solve_HTML_problems/Add_a_hit_map_on_top_of_an_image\">Anleitung zum Hinzufügen einer Trefferkarte über ein Bild</a></li>\n</ul>"}},{"type":"prose","value":{"id":"internationalisierung","title":"Internationalisierung","isH3":true,"content":"<p>HTML ist nicht einsprachig. Es bietet Werkzeuge zur Bewältigung allgemeiner Internationalisierungsprobleme.</p>\n<ul>\n<li><a href=\"/de/docs/Learn_web_development/Core/Structuring_content/Webpage_metadata#setting_the_primary_language_of_the_document\">Anleitung zum Hinzufügen mehrerer Sprachen in eine einzelne Webseite</a></li>\n<li><a href=\"/de/docs/Learn_web_development/Core/Structuring_content/Advanced_text_features#marking_up_times_and_dates\">Anleitung zur Anzeige von Zeit und Datum mit HTML</a></li>\n</ul>"}},{"type":"prose","value":{"id":"performance","title":"Performance","isH3":true,"content":"<ul>\n<li><a href=\"/de/docs/Learn_web_development/Howto/Solve_HTML_problems/Author_fast-loading_HTML_pages\">Anleitung zur Erstellung von schnell ladenden HTML-Seiten</a></li>\n</ul>"}},{"type":"prose","value":{"id":"siehe_auch","title":"Siehe auch","isH3":false,"content":"<ul>\n<li><a href=\"/de/docs/Learn_web_development/Howto/Solve_HTML_problems/Cheatsheet\">HTML-Spickzettel</a></li>\n</ul>"}}],"isActive":true,"isMarkdown":true,"isTranslated":true,"locale":"de","mdn_url":"/de/docs/Learn_web_development/Howto/Solve_HTML_problems","modified":"2025-02-17T00:20:27.000Z","native":"Deutsch","noIndexing":false,"other_translations":[{"locale":"en-US","title":"Solve common HTML problems","native":"English (US)"},{"locale":"es","title":"Solución de problemas comunes de HTML","native":"Español"},{"locale":"fr","title":"Apprendre à utiliser HTML pour résoudre des problèmes","native":"Français"},{"locale":"ja","title":"HTML を使ってよくある問題を解決する","native":"日本語"},{"locale":"ko","title":"HTML을 사용하여 일반적인 문제 해결하기","native":"한국어"},{"locale":"pt-BR","title":"Use HTML para resolver problemas comuns","native":"Português (do Brasil)"},{"locale":"ru","title":"Использование HTML для решения общих задач","native":"Русский"},{"locale":"zh-CN","title":"使用 HTML 解决常见问题","native":"中文 (简体)"},{"locale":"zh-TW","title":"使用HTML解決日常問題","native":"正體中文 (繁體)"}],"pageTitle":"Häufige HTML-Probleme lösen - Lernen Sie Webentwicklung | MDN","parents":[{"uri":"/de/docs/Learn_web_development","title":"Lernen Sie Webentwicklung"},{"uri":"/de/docs/Learn_web_development/Howto","title":"Anleitung zur Lösung häufiger Probleme"},{"uri":"/de/docs/Learn_web_development/Howto/Solve_HTML_problems","title":"Häufige HTML-Probleme lösen"}],"popularity":null,"short_title":"Häufige HTML-Probleme lösen","sidebarHTML":"<ol><li class=\"section\"><a href=\"/de/docs/Learn_web_development/Getting_started\">Einstiegsmodule</a></li><li class=\"toggle\"><details><summary><a href=\"/de/docs/Learn_web_development/Getting_started/Environment_setup\">Umgebung einrichten</a></summary><ol><li><a href=\"/de/docs/Learn_web_development/Getting_started/Environment_setup/Installing_software\">Installation grundlegender Software</a></li><li><a href=\"/de/docs/Learn_web_development/Getting_started/Environment_setup/Browsing_the_web\">Surfen im Web</a></li><li><a href=\"/de/docs/Learn_web_development/Getting_started/Environment_setup/Code_editors\">Code-Editor</a></li><li><a href=\"/de/docs/Learn_web_development/Getting_started/Environment_setup/Dealing_with_files\">Umgang mit Dateien</a></li><li><a href=\"/de/docs/Learn_web_development/Getting_started/Environment_setup/Command_line\">Leitfaden für die Befehlszeilen-Einführung</a></li></ol></details></li><li class=\"toggle\"><details><summary><a href=\"/de/docs/Learn_web_development/Getting_started/Your_first_website\">Ihre erste Website</a></summary><ol><li><a href=\"/de/docs/Learn_web_development/Getting_started/Your_first_website/What_will_your_website_look_like\">Wie wird Ihre Website aussehen?</a></li><li><a href=\"/de/docs/Learn_web_development/Getting_started/Your_first_website/Creating_the_content\">HTML: Erstellen der Inhalte</a></li><li><a href=\"/de/docs/Learn_web_development/Getting_started/Your_first_website/Styling_the_content\">CSS: Gestaltung des Inhalts</a></li><li><a href=\"/de/docs/Learn_web_development/Getting_started/Your_first_website/Adding_interactivity\">JavaScript: Interaktivität hinzufügen</a></li><li><a href=\"/de/docs/Learn_web_development/Getting_started/Your_first_website/Publishing_your_website\">Veröffentlichen Ihrer Website</a></li></ol></details></li><li class=\"toggle\"><details><summary><a href=\"/de/docs/Learn_web_development/Getting_started/Web_standards\">Webstandards</a></summary><ol><li><a href=\"/de/docs/Learn_web_development/Getting_started/Web_standards/How_the_web_works\">How the web works</a></li><li><a href=\"/de/docs/Learn_web_development/Getting_started/Web_standards/The_web_standards_model\">Das Modell der Webstandards</a></li><li><a href=\"/de/docs/Learn_web_development/Getting_started/Web_standards/How_browsers_load_websites\">Wie Browser Websites laden</a></li></ol></details></li><li class=\"toggle\"><details><summary><a href=\"/de/docs/Learn_web_development/Getting_started/Soft_skills\">Soziale Kompetenzen</a></summary><ol><li><a href=\"/de/docs/Learn_web_development/Getting_started/Soft_skills/Research_and_learning\">Forschung und Lernen</a></li><li><a href=\"/de/docs/Learn_web_development/Getting_started/Soft_skills/Collaboration_and_teamwork\">Zusammenarbeit und Teamarbeit</a></li><li><a href=\"/de/docs/Learn_web_development/Getting_started/Soft_skills/Workflows_and_processes\">Workflows und Prozesse</a></li><li><a href=\"/de/docs/Learn_web_development/Getting_started/Soft_skills/Job_interviews\">Erfolgreich in Vorstellungsgesprächen</a></li></ol></details></li><li class=\"section\"><a href=\"/de/docs/Learn_web_development/Core\">Kernmodule</a></li><li class=\"toggle\"><details><summary><a href=\"/de/docs/Learn_web_development/Core/Structuring_content\">Inhalte mit HTML strukturieren</a></summary><ol><li><a href=\"/de/docs/Learn_web_development/Core/Structuring_content/Basic_HTML_syntax\">Grundlegende HTML-Syntax</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Structuring_content/Webpage_metadata\">Was befindet sich im Kopf? Metadaten einer Webseite</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Structuring_content/Headings_and_paragraphs\">Überschriften und Absätze in HTML</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Structuring_content/Emphasis_and_importance\">Hervorhebung und Wichtigkeit</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Structuring_content/Lists\">Listen</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Structuring_content/Structuring_documents\">Strukturierung von Dokumenten</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Structuring_content/Advanced_text_features\">Erweiterte Textfunktionen</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Structuring_content/Creating_links\">Erstellen von Links</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Structuring_content/Marking_up_a_letter\">Herausforderung: Eine E-Mail korrekt auszeichnen</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Structuring_content/Structuring_a_page_of_content\">Herausforderung: Strukturierung einer Inhaltsseite</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Structuring_content/HTML_images\">HTML-Bilder</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Structuring_content/HTML_video_and_audio\">HTML video und audio</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Structuring_content/Mozilla_splash_page\">Herausforderung: Mozilla Splash-Seite</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Structuring_content/HTML_table_basics\">Grundlagen von HTML-Tabellen</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Structuring_content/Table_accessibility\">Barrierefreiheit von HTML-Tabellen</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Structuring_content/Planet_data_table\">Herausforderung: Strukturierung einer Planeten-Datentabelle</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Structuring_content/HTML_forms\">Formulare und Schaltflächen in HTML</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Structuring_content/Debugging_HTML\">Debugging von HTML</a></li></ol></details></li><li class=\"toggle\"><details><summary><a href=\"/de/docs/Learn_web_development/Core/Styling_basics\">Grundlagen des CSS-Stylings</a></summary><ol><li><a href=\"/de/docs/Learn_web_development/Core/Styling_basics/What_is_CSS\">Was ist CSS?</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Styling_basics/Getting_started\">Einstieg in CSS</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Styling_basics/Styling_a_bio_page\">Herausforderung: Gestaltung einer Biografie-Seite</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Styling_basics/Basic_selectors\">Grundlagen der CSS-Selektoren</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Styling_basics/Attribute_selectors\">Attribut-Selektoren</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Styling_basics/Pseudo_classes_and_elements\">Pseudoklassen und Pseudoelemente</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Styling_basics/Combinators\">Kombinatoren</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Styling_basics/Box_model\">Das Box-Modell</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Styling_basics/Handling_conflicts\">Umgang mit Konflikten</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Styling_basics/Values_and_units\">CSS-Werte und -Einheiten</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Styling_basics/Sizing\">Größenbestimmung von Elementen in CSS</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Styling_basics/Backgrounds_and_borders\">Hintergründe und Rahmen</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Styling_basics/Overflow\">Überlaufender Inhalt</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Styling_basics/Images_media_forms\">Bilder, Medien und Formularelemente</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Styling_basics/Tables\">Tabellen stylen</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Styling_basics/Debugging_CSS\">Debugging CSS</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Styling_basics/Fundamental_CSS_comprehension\">Herausforderung: Grundlegendes CSS-Verständnis</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Styling_basics/Fancy_letterheaded_paper\">Herausforderung: Erstellung eines ansprechenden Briefpapiers</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Styling_basics/Cool-looking_box\">Herausforderung: Eine cool aussehende Box</a></li></ol></details></li><li class=\"toggle\"><details><summary><a href=\"/de/docs/Learn_web_development/Core/Text_styling\">CSS-Textgestaltung</a></summary><ol><li><a href=\"/de/docs/Learn_web_development/Core/Text_styling/Fundamentals\">Grundlegendes zur Text- und Schriftgestaltung</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Text_styling/Styling_lists\">Listen gestalten</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Text_styling/Styling_links\">Gestaltung von Links</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Text_styling/Web_fonts\">Webfonts</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Text_styling/Typesetting_a_homepage\">Herausforderung: Setzen einer Startseite für eine Gemeinschaftsschule</a></li></ol></details></li><li class=\"toggle\"><details><summary><a href=\"/de/docs/Learn_web_development/Core/CSS_layout\">CSS-Layout</a></summary><ol><li><a href=\"/de/docs/Learn_web_development/Core/CSS_layout/Introduction\">Einführung in CSS-Layout</a></li><li><a href=\"/de/docs/Learn_web_development/Core/CSS_layout/Floats\">Floats</a></li><li><a href=\"/de/docs/Learn_web_development/Core/CSS_layout/Positioning\">Platzierung</a></li><li><a href=\"/de/docs/Learn_web_development/Core/CSS_layout/Flexbox\">Flexbox</a></li><li><a href=\"/de/docs/Learn_web_development/Core/CSS_layout/Grids\">CSS-Grid-Layout</a></li><li><a href=\"/de/docs/Learn_web_development/Core/CSS_layout/Responsive_Design\">Responsives Design</a></li><li><a href=\"/de/docs/Learn_web_development/Core/CSS_layout/Media_queries\">Grundlagen von Media Query</a></li><li><a href=\"/de/docs/Learn_web_development/Core/CSS_layout/Fundamental_Layout_Comprehension\">Herausforderung: Grundlegendes Verständnis von Layouts</a></li></ol></details></li><li class=\"toggle\"><details><summary><a href=\"/de/docs/Learn_web_development/Core/Scripting\">Dynamisches Scripting mit JavaScript</a></summary><ol><li><a href=\"/de/docs/Learn_web_development/Core/Scripting/What_is_JavaScript\">Was ist JavaScript?</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Scripting/A_first_splash\">Erster Einblick in JavaScript</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Scripting/What_went_wrong\">Was ist schiefgelaufen? JavaScript-Fehlerbehebung</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Scripting/Variables\">Speichern der benötigten Informationen — Variablen</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Scripting/Math\">Grundlegende Mathematik in JavaScript – Zahlen und Operatoren</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Scripting/Strings\">Umgang mit Text — Zeichenketten in JavaScript</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Scripting/Useful_string_methods\">Nützliche String-Methoden</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Scripting/Arrays\">Arrays</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Scripting/Silly_story_generator\">Herausforderung: Blödsinnige Geschichtengenerator</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Scripting/Conditionals\">Entscheidungen in Ihrem Code treffen — Konditionalen</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Scripting/Loops\">Code-Schleifen</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Scripting/Functions\">Funktionen — wiederverwendbare Codeblöcke</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Scripting/Build_your_own_function\">Erstellen Sie Ihre eigene Funktion</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Scripting/Return_values\">Funktionsrückgabewerte</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Scripting/Events\">Einführung in Ereignisse</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Scripting/Event_bubbling\">Ereignis-Bubbling</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Scripting/Image_gallery\">Herausforderung: Bildergalerie</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Scripting/Object_basics\">JavaScript-Objektgrundlagen</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Scripting/DOM_scripting\">Einführung in DOM-Scripting</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Scripting/Network_requests\">Netzwerkanfragen mit JavaScript</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Scripting/JSON\">Arbeiten mit JSON</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Scripting/Debugging_JavaScript\">Debugging JavaScript and handling errors</a></li></ol></details></li><li class=\"toggle\"><details><summary><a href=\"/de/docs/Learn_web_development/Core/Frameworks_libraries\">JavaScript-Frameworks und -Bibliotheken</a></summary><ol><li><a href=\"/de/docs/Learn_web_development/Core/Frameworks_libraries/Introduction\">Einführung in client-seitige Frameworks</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Frameworks_libraries/Main_features\">Hauptmerkmale von Frameworks</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Frameworks_libraries/React_getting_started\">Erste Schritte mit React</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Frameworks_libraries/React_todo_list_beginning\">Beginn unserer React To-Do-Liste</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Frameworks_libraries/React_components\">Komponenten in unserer React-App erstellen</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Frameworks_libraries/React_interactivity_events_state\">React Interaktivität: Events und State</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Frameworks_libraries/React_interactivity_filtering_conditional_rendering\">Reaktivität in React: Bearbeiten, Filtern, bedingtes Rendern</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Frameworks_libraries/React_accessibility\">Barrierefreiheit in React</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Frameworks_libraries/React_resources\">React-Ressourcen</a></li></ol></details></li><li class=\"toggle\"><details><summary><a href=\"/de/docs/Learn_web_development/Core/Accessibility\">Barrierefreiheit</a></summary><ol><li><a href=\"/de/docs/Learn_web_development/Core/Accessibility/What_is_accessibility\">Was ist Barrierefreiheit?</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Accessibility/Tooling\">Barrierefreiheitstools und unterstützende Technologien</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Accessibility/HTML\">HTML: Eine gute Grundlage für Barrierefreiheit</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Accessibility/CSS_and_JavaScript\">CSS and JavaScript Zugänglichkeitsbest Practices</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Accessibility/WAI-ARIA_basics\">WAI-ARIA Grundlagen</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Accessibility/Multimedia\">Barrierefreie Multimedia-Inhalte</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Accessibility/Mobile\">Mobile Accessibility</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Accessibility/Accessibility_troubleshooting\">Herausforderung: Barrierefreiheits-Fehlerbehebung</a></li></ol></details></li><li><a href=\"/de/docs/Learn_web_development/Core/Design_for_developers\">Design für Entwickler:innen</a></li><li><a href=\"/de/docs/Learn_web_development/Core/Version_control\">Versionskontrolle</a></li><li class=\"section\"><a href=\"/de/docs/Learn_web_development/Extensions\">Erweiterungsmodule</a></li><li class=\"toggle\"><details><summary><a href=\"/de/docs/Learn_web_development/Extensions/Advanced_JavaScript_objects\">Advanced JavaScript objects</a></summary><ol><li><a href=\"/de/docs/Learn_web_development/Extensions/Advanced_JavaScript_objects/Object_prototypes\">Objektprototypen</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Advanced_JavaScript_objects/Object-oriented_programming\">Objektorientierte Programmierung</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Advanced_JavaScript_objects/Classes_in_JavaScript\">Klassen in JavaScript</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Advanced_JavaScript_objects/Object_building_practice\">Objektbaupraxis</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Advanced_JavaScript_objects/Adding_bouncing_balls_features\">Herausforderung: Hinzufügen von Funktionen zu unserem hüpfenden Ball-Demo</a></li></ol></details></li><li class=\"toggle\"><details><summary><a href=\"/de/docs/Learn_web_development/Extensions/Client-side_APIs\">Client-seitige Web-APIs</a></summary><ol><li><a href=\"/de/docs/Learn_web_development/Extensions/Client-side_APIs/Introduction\">Einführung in Web-APIs</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Client-side_APIs/Video_and_audio_APIs\">Video- und Audio-APIs</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Client-side_APIs/Drawing_graphics\">Zeichnen von Grafiken</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Client-side_APIs/Client-side_storage\">Client-seitiger Speicher</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Client-side_APIs/Third_party_APIs\">Third-party APIs</a></li></ol></details></li><li class=\"toggle\"><details><summary><a href=\"/de/docs/Learn_web_development/Extensions/Async_JS\">Asynchrones JavaScript</a></summary><ol><li><a href=\"/de/docs/Learn_web_development/Extensions/Async_JS/Introducing\">Einführung in asynchrones JavaScript</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Async_JS/Promises\">Anleitung zur Verwendung von Promises</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Async_JS/Implementing_a_promise-based_API\">Wie man eine Promise-basierte API implementiert</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Async_JS/Introducing_workers\">Einführung in Worker</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Async_JS/Sequencing_animations\">Herausforderung: Animationen sequenzieren</a></li></ol></details></li><li class=\"toggle\"><details><summary><a href=\"/de/docs/Learn_web_development/Extensions/Forms\">Webformulare — Arbeiten mit Benutzerdaten</a></summary><ol><li><a href=\"/de/docs/Learn_web_development/Extensions/Forms/Your_first_form\">Ihr erstes Formular</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Forms/How_to_structure_a_web_form\">Wie man ein Webformular strukturiert</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Forms/Basic_native_form_controls\">Grundlegende native Formularsteuerungen</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Forms/HTML5_input_types\">Die HTML5-Eingabetypen</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Forms/Other_form_controls\">Andere Formularelemente</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Forms/Styling_web_forms\">Styling von Webformularen</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Forms/Advanced_form_styling\">Fortgeschrittenes Formular-Styling</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Forms/UI_pseudo-classes\">UI-Pseudoklassen</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Forms/Form_validation\">Client-seitige Formularvalidierung</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Forms/Sending_and_retrieving_form_data\">Senden von Formulardaten</a></li></ol></details></li><li class=\"toggle\"><details><summary><a href=\"/de/docs/Learn_web_development/Extensions/Client-side_tools\">Verständnis für clientseitige Tools</a></summary><ol><li><a href=\"/de/docs/Learn_web_development/Extensions/Client-side_tools/Overview\">Überblick über Client-seitige Tools</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Client-side_tools/Package_management\">Grundlagen des Paketmanagements</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Client-side_tools/Introducing_complete_toolchain\">Einführung in eine vollständige Werkzeugkette</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Client-side_tools/Deployment\">Bereitstellung unserer App</a></li></ol></details></li><li class=\"toggle\"><details><summary><a href=\"/de/docs/Learn_web_development/Extensions/Server-side\">Serverseitige Programmierung</a></summary><ol><li class=\"toggle\"><details><summary><a href=\"/de/docs/Learn_web_development/Extensions/Server-side/First_steps\">Erste Schritte auf der Serverseite</a></summary><ol><li><a href=\"/de/docs/Learn_web_development/Extensions/Server-side/First_steps/Introduction\">Einführung in die Server-Seite</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Server-side/First_steps/Client-Server_overview\">Überblick über Client-Server</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Server-side/First_steps/Web_frameworks\">Server-seitige Web-Frameworks</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Server-side/First_steps/Website_security\">Website-Sicherheit</a></li></ol></details></li><li class=\"toggle\"><details><summary><a href=\"/de/docs/Learn_web_development/Extensions/Server-side/Django\">Django Web-Framework (Python)</a></summary><ol><li><a href=\"/de/docs/Learn_web_development/Extensions/Server-side/Django/Introduction\">Einführung in Django</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Server-side/Django/development_environment\">Einrichten einer Django-Entwicklungsumgebung</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Server-side/Django/Tutorial_local_library_website\">Django Tutorial: Die Website der lokalen Bibliothek</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Server-side/Django/skeleton_website\">Django-Tutorial Teil 2: Erstellen einer Skelett-Website</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Server-side/Django/Models\">Django Tutorial Teil 3: Verwenden von Modellen</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Server-side/Django/Admin_site\">Django Tutorial Teil 4: Die Django Admin-Seite</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Server-side/Django/Home_page\">Django Tutorial Teil 5: Erstellen unserer Homepage</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Server-side/Django/Generic_views\">Django Tutorial Teil 6: Generische Listen- und Detailansichten</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Server-side/Django/Sessions\">Django-Tutorial Teil 7: Sitzungs-Framework</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Server-side/Django/Authentication\">Django-Tutorial Teil 8: Benutzer-Authentifizierung und -Berechtigungen</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Server-side/Django/Forms\">Django Tutorial Teil 9: Arbeiten mit Formularen</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Server-side/Django/Testing\">Django Tutorial Teil 10: Testen einer Django-Webanwendung</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Server-side/Django/Deployment\">Django-Tutorial Teil 11: Bereitstellung von Django für die Produktion</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Server-side/Django/web_application_security\">Django Webanwendungssicherheit</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Server-side/Django/django_assessment_blog\">Bewertung: DIY Django Mini-Blog</a></li></ol></details></li><li class=\"toggle\"><details><summary><a href=\"/de/docs/Learn_web_development/Extensions/Server-side/Express_Nodejs\">Express Web-Framework (Node.js)</a></summary><ol><li><a href=\"/de/docs/Learn_web_development/Extensions/Server-side/Express_Nodejs/Introduction\">Einführung in Express/Node</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Server-side/Express_Nodejs/development_environment\">Einrichten einer Node-Entwicklungsumgebung</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Server-side/Express_Nodejs/Tutorial_local_library_website\">Express Tutorial: Die Website der lokalen Bibliothek</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Server-side/Express_Nodejs/skeleton_website\">Express-Tutorial Teil 2: Erstellen einer Skelett-Website</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Server-side/Express_Nodejs/mongoose\">Express-Tutorial Teil 3: Verwendung einer Datenbank (mit Mongoose)</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Server-side/Express_Nodejs/routes\">Express Tutorial Teil 4: Routen und Controller</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Server-side/Express_Nodejs/Displaying_data\">Express Tutorial Teil 5: Bibliotheksdaten anzeigen</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Server-side/Express_Nodejs/forms\">Express Tutorial Teil 6: Arbeiten mit Formularen</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Server-side/Express_Nodejs/deployment\">Express Tutorial Teil 7: Bereitstellung im Produktionsumfeld</a></li></ol></details></li></ol></details></li><li class=\"toggle\"><details><summary><a href=\"/de/docs/Learn_web_development/Extensions/Performance\">Web-Performance</a></summary><ol><li><a href=\"/de/docs/Learn_web_development/Extensions/Performance/why_web_performance\">Das \"Warum\" der Web-Performance</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Performance/What_is_web_performance\">Was ist Web-Performance?</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Performance/Perceived_performance\">Wahrgenommene Leistung</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Performance/Measuring_performance\">Leistungsmessung</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Performance/Multimedia\">Multimedia: Bilder</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Performance/video\">Multimedia: video</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Performance/JavaScript\">JavaScript-Leistungsoptimierung</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Performance/HTML\">HTML-Performance-Optimierung</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Performance/CSS\">CSS-Leistungsoptimierung</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Performance/business_case_for_performance\">Der geschäftliche Nutzen der Web-Performance</a></li></ol></details></li><li class=\"toggle\"><details><summary><a href=\"/de/docs/Learn_web_development/Extensions/Testing\">Tests</a></summary><ol><li><a href=\"/de/docs/Learn_web_development/Extensions/Testing/Introduction\">Einführung in das Cross-Browser-Testing</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Testing/Testing_strategies\">Strategien zur Durchführung von Tests</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Testing/HTML_and_CSS\">Umgang mit häufigen HTML- und CSS-Problemen</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Testing/Feature_detection\">Implementierung der Funktionsprüfung</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Testing/Automated_testing\">Einführung in automatisiertes Testen</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Testing/Your_own_automation_environment\">Einrichtung Ihrer eigenen Testautomatisierungsumgebung</a></li></ol></details></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Transform_animate\">CSS transformieren und animieren</a></li><li><a href=\"/de/docs/Learn_web_development/Extensions/Security_privacy\">Sicherheit und Datenschutz</a></li><li class=\"section\">Weitere Ressourcen</li><li class=\"toggle\"><details open=\"\"><summary><a href=\"/de/docs/Learn_web_development/Howto\">Häufige Probleme lösen</a></summary><ol><li><em><a href=\"/de/docs/Learn_web_development/Howto/Solve_HTML_problems\" aria-current=\"page\">Häufige HTML-Probleme lösen</a></em></li><li><a href=\"/de/docs/Learn_web_development/Howto/Solve_CSS_problems\">Häufige CSS-Probleme lösen</a></li><li><a href=\"/de/docs/Learn_web_development/Howto/Solve_JavaScript_problems\">Häufige JavaScript-Probleme lösen</a></li><li><a href=\"/de/docs/Learn_web_development/Howto/Web_mechanics\">Webmechanik</a></li><li><a href=\"/de/docs/Learn_web_development/Howto/Tools_and_setup\">Tools und Einrichtung</a></li><li><a href=\"/de/docs/Learn_web_development/Howto/Design_and_accessibility\">Design und Barrierefreiheit</a></li></ol></details></li><li><a href=\"/de/docs/Learn_web_development/About\">Über</a></li><li><a href=\"/de/docs/Learn_web_development/Educators\">Ressourcen für Lehrkräfte</a></li><li><a href=\"/de/docs/Learn_web_development/Changelog\">Änderungsprotokoll</a></li></ol>","source":{"folder":"de/learn_web_development/howto/solve_html_problems","github_url":"https://github.com/mdn/translated-content-de/blob/main/files/de/learn_web_development/howto/solve_html_problems/index.md","last_commit_url":"https://github.com/mdn/translated-content-de/commit/452fe502cfb4c9a91c346af17370ecfb6a8bd17e","filename":"index.md"},"summary":"Die folgenden Links verweisen auf Lösungen zu alltäglichen Problemen, die Sie mit HTML lösen müssen.","title":"Häufige HTML-Probleme lösen","toc":[{"text":"Ungewöhnliche oder fortgeschrittene Probleme","id":"ungewöhnliche_oder_fortgeschrittene_probleme"},{"text":"Siehe auch","id":"siehe_auch"}],"pageType":"landing-page"}}</script></body></html>