Learn web development

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href="https://web.developers.google.cn/learn?hl=vi" /><title>Learn web development  |  web.dev</title> <meta property="og:title" content="Learn web development  |  web.dev"><meta property="og:url" content="https://web.dev/learn"><meta property="og:image" content="https://web.dev/static/images/social-wide.jpg"> <meta property="og:image:width" content="1200"> <meta property="og:image:height" content="675"><meta property="og:locale" content="en"><meta name="twitter:card" content="summary"><meta name="twitter:image" content="https://web.dev/static/images/social-wide.jpg"><meta name="twitter:site" content="@ChromiumDev"><script type="application/ld+json"> { "@context": "https://schema.org", "@type": "Article", "headline": "Learn web development" } </script> <link rel="stylesheet" href="/extras.css"></head> <body class="" template="landing" theme="web-theme" type="article" appearance layout="full" pending> <devsite-progress type="indeterminate" id="app-progress"></devsite-progress> <section 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480w,https://web.dev/static/images/learn-header_720.png 720w,https://web.dev/static/images/learn-header_856.png 856w,https://web.dev/static/images/learn-header_960.png 960w,https://web.dev/static/images/learn-header_1440.png 1440w,https://web.dev/static/images/learn-header_1920.png 1920w,https://web.dev/static/images/learn-header_2880.png 2880w" sizes="(max-width: 600px) 100vw, (max-width: 840px) 50vw, 708px" fetchpriority="high"> </picture> </figure> </div> <div class="devsite-landing-row-item-description" > <div class="devsite-landing-row-item-body"> <h3 id="learn-web-development" data-text="Learn web development" class="hide-from-toc no-link" tabindex="0"> Learn web development </h3> <div class="devsite-landing-row-item-description-content"> Explore our growing collection of courses on key web design and development subjects. An industry expert has written each course, helped by members of the Chrome team. Follow the modules sequentially, or dip into the topics you most want to learn about. </div> </div> </div> </div> </div> </div> </section> <section class="devsite-landing-row devsite-landing-row-3-up devsite-landing-row-cards" header-position="top" > <div class="devsite-landing-row-inner"> <div class="devsite-landing-row-group"> <div class="devsite-landing-row-item" description-position="bottom" > <div class="devsite-landing-row-item-media "> <figure class="devsite-landing-row-item-image"> <a href="https://web.dev/learn/html"> <picture> <img alt="" src="https://web.dev/static/learn/html/card.png" srcset="https://web.dev/static/learn/html/card_36.png 36w,https://web.dev/static/learn/html/card_48.png 48w,https://web.dev/static/learn/html/card_72.png 72w,https://web.dev/static/learn/html/card_96.png 96w,https://web.dev/static/learn/html/card_480.png 480w,https://web.dev/static/learn/html/card_720.png 720w,https://web.dev/static/learn/html/card_856.png 856w,https://web.dev/static/learn/html/card_960.png 960w,https://web.dev/static/learn/html/card_1440.png 1440w,https://web.dev/static/learn/html/card_1920.png 1920w,https://web.dev/static/learn/html/card_2880.png 2880w" sizes="(max-width: 840px) 50vw, 464px" loading="lazy" > </picture> </a> </figure> </div> <div class="devsite-landing-row-item-description" > <div class="devsite-landing-row-item-body"> <div class="devsite-landing-row-item-labels"> <span class=" " >Course</span> </div> <h3 id="learn-html" data-text="Learn HTML" class="hide-from-toc no-link" tabindex="0"> <a href="https://web.dev/learn/html"> Learn HTML </a> </h3> <div class="devsite-landing-row-item-description-content"> A solid overview of HTML for developers, from novice to expert level HTML. </div> <div class="devsite-landing-row-item-buttons"> <a href="https://web.dev/learn/html" class="button button-primary " >Start course</a> </div> </div> </div> </div> <div class="devsite-landing-row-item" 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72w,https://web.dev/static/learn/javascript/card_96.png 96w,https://web.dev/static/learn/javascript/card_480.png 480w,https://web.dev/static/learn/javascript/card_720.png 720w,https://web.dev/static/learn/javascript/card_856.png 856w,https://web.dev/static/learn/javascript/card_960.png 960w,https://web.dev/static/learn/javascript/card_1440.png 1440w,https://web.dev/static/learn/javascript/card_1920.png 1920w,https://web.dev/static/learn/javascript/card_2880.png 2880w" sizes="(max-width: 840px) 50vw, 464px" loading="lazy" > </picture> </a> </figure> </div> <div class="devsite-landing-row-item-description" > <div class="devsite-landing-row-item-body"> <div class="devsite-landing-row-item-labels"> <span class=" " >Course</span> </div> <h3 id="learn-javascript" data-text="Learn JavaScript" class="hide-from-toc no-link" tabindex="0"> <a href="https://web.dev/learn/javascript"> Learn JavaScript </a> </h3> <div class="devsite-landing-row-item-description-content"> An in-depth course on the 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960w,https://web.dev/static/learn/performance/card_1440.png 1440w,https://web.dev/static/learn/performance/card_1920.png 1920w,https://web.dev/static/learn/performance/card_2880.png 2880w" sizes="(max-width: 840px) 50vw, 464px" loading="lazy" > </picture> </a> </figure> </div> <div class="devsite-landing-row-item-description" > <div class="devsite-landing-row-item-body"> <div class="devsite-landing-row-item-labels"> <span class=" " >Course</span> </div> <h3 id="learn-performance" data-text="Learn Performance" class="hide-from-toc no-link" tabindex="0"> <a href="https://web.dev/learn/performance"> Learn Performance </a> </h3> <div class="devsite-landing-row-item-description-content"> A course for those new to web performance, a vital aspect of the user experience. </div> <div class="devsite-landing-row-item-buttons"> <a href="https://web.dev/learn/performance" class="button button-primary " >Start course</a> </div> </div> </div> </div> <div class="devsite-landing-row-item" description-position="bottom" > <div class="devsite-landing-row-item-media "> <figure class="devsite-landing-row-item-image"> <a href="https://web.dev/learn/privacy"> <picture> <img alt="" src="https://web.dev/static/learn/privacy/card.png" srcset="https://web.dev/static/learn/privacy/card_36.png 36w,https://web.dev/static/learn/privacy/card_48.png 48w,https://web.dev/static/learn/privacy/card_72.png 72w,https://web.dev/static/learn/privacy/card_96.png 96w,https://web.dev/static/learn/privacy/card_480.png 480w,https://web.dev/static/learn/privacy/card_720.png 720w,https://web.dev/static/learn/privacy/card_856.png 856w,https://web.dev/static/learn/privacy/card_960.png 960w,https://web.dev/static/learn/privacy/card_1440.png 1440w,https://web.dev/static/learn/privacy/card_1920.png 1920w,https://web.dev/static/learn/privacy/card_2880.png 2880w" sizes="(max-width: 840px) 50vw, 464px" loading="lazy" > </picture> </a> </figure> </div> <div class="devsite-landing-row-item-description" > <div class="devsite-landing-row-item-body"> <div class="devsite-landing-row-item-labels"> <span class=" " >Course</span> </div> <h3 id="learn-privacy" data-text="Learn Privacy" class="hide-from-toc no-link" tabindex="0"> <a href="https://web.dev/learn/privacy"> Learn Privacy </a> </h3> <div class="devsite-landing-row-item-description-content"> A course to help you build more privacy-preserving websites. </div> <div class="devsite-landing-row-item-buttons"> <a href="https://web.dev/learn/privacy" class="button button-primary " >Start course</a> </div> </div> </div> </div> <div class="devsite-landing-row-item" description-position="bottom" > <div class="devsite-landing-row-item-media "> <figure class="devsite-landing-row-item-image"> <a href="https://web.dev/learn/accessibility"> <picture> <img alt="" src="https://web.dev/static/learn/accessibility/card.png" srcset="https://web.dev/static/learn/accessibility/card_36.png 36w,https://web.dev/static/learn/accessibility/card_48.png 48w,https://web.dev/static/learn/accessibility/card_72.png 72w,https://web.dev/static/learn/accessibility/card_96.png 96w,https://web.dev/static/learn/accessibility/card_480.png 480w,https://web.dev/static/learn/accessibility/card_720.png 720w,https://web.dev/static/learn/accessibility/card_856.png 856w,https://web.dev/static/learn/accessibility/card_960.png 960w,https://web.dev/static/learn/accessibility/card_1440.png 1440w,https://web.dev/static/learn/accessibility/card_1920.png 1920w,https://web.dev/static/learn/accessibility/card_2880.png 2880w" sizes="(max-width: 840px) 50vw, 464px" loading="lazy" > </picture> </a> </figure> </div> <div class="devsite-landing-row-item-description" > <div class="devsite-landing-row-item-body"> <div class="devsite-landing-row-item-labels"> <span class=" " >Course</span> </div> <h3 id="learn-accessibility" data-text="Learn Accessibility" class="hide-from-toc no-link" tabindex="0"> <a href="https://web.dev/learn/accessibility"> Learn Accessibility </a> </h3> <div class="devsite-landing-row-item-description-content"> Discover how to make your websites and web apps more accessible. </div> <div class="devsite-landing-row-item-buttons"> <a href="https://web.dev/learn/accessibility" class="button button-primary " >Start course</a> </div> </div> </div> </div> <div class="devsite-landing-row-item" description-position="bottom" > <div class="devsite-landing-row-item-media "> <figure class="devsite-landing-row-item-image"> <a href="https://web.dev/learn/images"> <picture> <img alt="" src="https://web.dev/static/learn/images/card.png" srcset="https://web.dev/static/learn/images/card_36.png 36w,https://web.dev/static/learn/images/card_48.png 48w,https://web.dev/static/learn/images/card_72.png 72w,https://web.dev/static/learn/images/card_96.png 96w,https://web.dev/static/learn/images/card_480.png 480w,https://web.dev/static/learn/images/card_720.png 720w,https://web.dev/static/learn/images/card_856.png 856w,https://web.dev/static/learn/images/card_960.png 960w,https://web.dev/static/learn/images/card_1440.png 1440w,https://web.dev/static/learn/images/card_1920.png 1920w,https://web.dev/static/learn/images/card_2880.png 2880w" sizes="(max-width: 840px) 50vw, 464px" loading="lazy" > </picture> </a> </figure> </div> <div class="devsite-landing-row-item-description" > <div class="devsite-landing-row-item-body"> <div class="devsite-landing-row-item-labels"> <span class=" " >Course</span> </div> <h3 id="learn-images" data-text="Learn Images" class="hide-from-toc no-link" tabindex="0"> <a href="https://web.dev/learn/images"> Learn Images </a> </h3> <div class="devsite-landing-row-item-description-content"> A course covering everything from selecting the right formats, to responsive images, and performance. </div> <div class="devsite-landing-row-item-buttons"> <a href="https://web.dev/learn/images" class="button button-primary " >Start course</a> </div> </div> </div> </div> <div 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class="devsite-landing-row-item-description" > <div class="devsite-landing-row-item-body"> <div class="devsite-landing-row-item-labels"> <span class=" " >Course</span> </div> <h3 id="learn-design" data-text="Learn Design" class="hide-from-toc no-link" tabindex="0"> <a href="https://web.dev/learn/design"> Learn Design </a> </h3> <div class="devsite-landing-row-item-description-content"> Let's explore all aspects of responsive design, learning how to make sites that look great and work well for everyone. </div> <div class="devsite-landing-row-item-buttons"> <a href="https://web.dev/learn/design" class="button button-primary " >Start course</a> </div> </div> </div> </div> <div class="devsite-landing-row-item" description-position="bottom" > <div class="devsite-landing-row-item-media "> <figure class="devsite-landing-row-item-image"> <a href="https://web.dev/learn/forms"> <picture> <img alt="" src="https://web.dev/static/learn/forms/card.png" srcset="https://web.dev/static/learn/forms/card_36.png 36w,https://web.dev/static/learn/forms/card_48.png 48w,https://web.dev/static/learn/forms/card_72.png 72w,https://web.dev/static/learn/forms/card_96.png 96w,https://web.dev/static/learn/forms/card_480.png 480w,https://web.dev/static/learn/forms/card_720.png 720w,https://web.dev/static/learn/forms/card_856.png 856w,https://web.dev/static/learn/forms/card_960.png 960w,https://web.dev/static/learn/forms/card_1440.png 1440w,https://web.dev/static/learn/forms/card_1920.png 1920w,https://web.dev/static/learn/forms/card_2880.png 2880w" sizes="(max-width: 840px) 50vw, 464px" loading="lazy" > </picture> </a> </figure> </div> <div class="devsite-landing-row-item-description" > <div class="devsite-landing-row-item-body"> <div class="devsite-landing-row-item-labels"> <span class=" " >Course</span> </div> <h3 id="learn-forms" data-text="Learn Forms" class="hide-from-toc no-link" tabindex="0"> <a href="https://web.dev/learn/forms"> Learn Forms 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960w,https://web.dev/static/learn/pwa/card_1440.png 1440w,https://web.dev/static/learn/pwa/card_1920.png 1920w,https://web.dev/static/learn/pwa/card_2880.png 2880w" sizes="(max-width: 840px) 50vw, 464px" loading="lazy" > </picture> </a> </figure> </div> <div class="devsite-landing-row-item-description" > <div class="devsite-landing-row-item-body"> <div class="devsite-landing-row-item-labels"> <span class=" " >Course</span> </div> <h3 id="learn-pwa" data-text="Learn PWA" class="hide-from-toc no-link" tabindex="0"> <a href="https://web.dev/learn/pwa"> Learn PWA </a> </h3> <div class="devsite-landing-row-item-description-content"> A course that breaks down every aspect of modern progressive web app development. </div> <div class="devsite-landing-row-item-buttons"> <a href="https://web.dev/learn/pwa" class="button button-primary " >Start course</a> </div> </div> </div> </div> <div class="devsite-landing-row-item" description-position="bottom" > <div class="devsite-landing-row-item-media "> 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