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data-event-name="pinnable-header.vector-toc.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">hide</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">(Top)</div> </a> </li> <li id="toc-Vocabularies" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Vocabularies"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Vocabularies</span> </div> </a> <ul id="toc-Vocabularies-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Localization" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Localization"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Localization</span> </div> </a> <ul id="toc-Localization-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Global_attributes" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Global_attributes"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Global attributes</span> </div> </a> <ul id="toc-Global_attributes-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Example" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Example"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Example</span> </div> </a> <ul id="toc-Example-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Support" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Support"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Support</span> </div> </a> <ul id="toc-Support-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-See_also" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#See_also"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>See also</span> </div> </a> <ul id="toc-See_also-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#References"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>References</span> </div> </a> <ul id="toc-References-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-External_links" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#External_links"> <div class="vector-toc-text"> <span class="vector-toc-numb">8</span> 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mw-list-item"><a href="https://cs.wikipedia.org/wiki/HTML5_mikrodata" title="HTML5 mikrodata – Czech" lang="cs" hreflang="cs" data-title="HTML5 mikrodata" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Microdatos_(HTML)" title="Microdatos (HTML) – Spanish" lang="es" hreflang="es" data-title="Microdatos (HTML)" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D9%85%DB%8C%DA%A9%D8%B1%D9%88%D8%AF%D8%A7%D8%AF%D9%87_(%D8%A7%DA%86%E2%80%8C%D8%AA%DB%8C%E2%80%8C%D8%A7%D9%85%E2%80%8C%D8%A7%D9%84)" title="میکروداده (اچ‌تی‌ام‌ال) – Persian" lang="fa" hreflang="fa" data-title="میکروداده (اچ‌تی‌ام‌ال)" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Microdonn%C3%A9e" title="Microdonnée – French" lang="fr" hreflang="fr" data-title="Microdonnée" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Microdata_(HTML)" title="Microdata (HTML) – Dutch" lang="nl" hreflang="nl" data-title="Microdata (HTML)" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Microdados_(HTML)" title="Microdados (HTML) – Portuguese" lang="pt" hreflang="pt" data-title="Microdados (HTML)" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9C%D0%B8%D0%BA%D1%80%D0%BE%D0%B4%D0%B0%D0%BD%D0%BD%D1%8B%D0%B5" title="Микроданные – Russian" lang="ru" hreflang="ru" data-title="Микроданные" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/Mikrodata" title="Mikrodata – Serbian" lang="sr" hreflang="sr" data-title="Mikrodata" data-language-autonym="Српски / srpski" data-language-local-name="Serbian" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Mikroveri_(HTML)" title="Mikroveri (HTML) – Turkish" lang="tr" hreflang="tr" data-title="Mikroveri 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Basic">Basic</a></li> <li><a href="/wiki/XHTML_Mobile_Profile" title="XHTML Mobile Profile">Mobile Profile</a></li></ul></li> <li><a href="/wiki/HTML_element" title="HTML element">HTML element</a> <ul><li><a href="/wiki/Meta_element" title="Meta element">meta</a></li> <li><a href="/wiki/Div_and_span" title="Div and span">div and span</a></li> <li><a href="/wiki/Blink_element" title="Blink element">blink</a></li> <li><a href="/wiki/Marquee_element" title="Marquee element">marquee</a></li></ul></li> <li><a href="/wiki/HTML_attribute" title="HTML attribute">HTML attribute</a> <ul><li><a href="/wiki/Alt_attribute" title="Alt attribute">alt attribute</a></li></ul></li> <li><a href="/wiki/Frame_(World_Wide_Web)" title="Frame (World Wide Web)">HTML frame</a></li> <li><a href="/wiki/HTML_editor" title="HTML editor">HTML editor</a></li> <li><a href="/wiki/Character_encodings_in_HTML" title="Character encodings in HTML">Character encodings</a> <ul><li><a href="/wiki/List_of_XML_and_HTML_character_entity_references" title="List of XML and HTML character entity references">named characters</a></li> <li><a href="/wiki/Unicode_and_HTML" title="Unicode and HTML">Unicode</a></li></ul></li> <li><a href="/wiki/Language_code" title="Language code">Language code</a></li> <li><a href="/wiki/Document_Object_Model" title="Document Object Model">Document Object Model</a></li> <li><a href="/wiki/Browser_Object_Model" title="Browser Object Model">Browser Object Model</a></li> <li><a href="/wiki/Style_sheet_(web_development)" title="Style sheet (web development)">Style sheets</a> <ul><li><a href="/wiki/CSS" title="CSS">CSS</a></li></ul></li> <li><a href="/wiki/Font_family_(HTML)" title="Font family (HTML)">Font family</a></li> <li><a href="/wiki/Web_colors" title="Web colors">Web colors</a></li> <li><a href="/wiki/JavaScript" title="JavaScript">JavaScript</a> <ul><li><a href="/wiki/WebCL" title="WebCL">WebCL</a></li> <li><a href="/wiki/HTMX" class="mw-redirect" title="HTMX">HTMX</a></li></ul></li> <li><a href="/wiki/Web3D" title="Web3D">Web3D</a> <ul><li><a href="/wiki/WebGL" title="WebGL">WebGL</a></li> <li><a href="/wiki/WebGPU" title="WebGPU">WebGPU</a></li> <li><a href="/wiki/WebXR" title="WebXR">WebXR</a></li></ul></li> <li><a href="/wiki/World_Wide_Web_Consortium" title="World Wide Web Consortium">W3C</a> <ul><li><a href="/wiki/W3C_Markup_Validation_Service" title="W3C Markup Validation Service">Validator</a></li></ul></li> <li><a href="/wiki/WHATWG" title="WHATWG">WHATWG</a></li> <li><a href="/wiki/Quirks_mode" title="Quirks mode">Quirks mode</a></li> <li><a href="/wiki/Web_storage" title="Web storage">Web storage</a></li> <li><a href="/wiki/Browser_engine" title="Browser engine">Rendering engine</a></li></ul></td> </tr><tr><th class="sidebar-heading"> Comparisons</th></tr><tr><td class="sidebar-content hlist"> <ul><li><a href="/wiki/Comparison_of_document_markup_languages" title="Comparison of document markup languages">Document markup languages</a></li> <li><a href="/wiki/Comparison_of_browser_engines" title="Comparison of browser engines">Comparison of browser engines</a></li></ul></td> </tr><tr><td class="sidebar-navbar" style="border-top:1px solid #aaa;"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><style data-mw-deduplicate="TemplateStyles:r1239400231">.mw-parser-output .navbar{display:inline;font-size:88%;font-weight:normal}.mw-parser-output .navbar-collapse{float:left;text-align:left}.mw-parser-output .navbar-boxtext{word-spacing:0}.mw-parser-output .navbar ul{display:inline-block;white-space:nowrap;line-height:inherit}.mw-parser-output .navbar-brackets::before{margin-right:-0.125em;content:"[ "}.mw-parser-output .navbar-brackets::after{margin-left:-0.125em;content:" ]"}.mw-parser-output .navbar li{word-spacing:-0.125em}.mw-parser-output .navbar a>span,.mw-parser-output .navbar a>abbr{text-decoration:inherit}.mw-parser-output .navbar-mini abbr{font-variant:small-caps;border-bottom:none;text-decoration:none;cursor:inherit}.mw-parser-output .navbar-ct-full{font-size:114%;margin:0 7em}.mw-parser-output .navbar-ct-mini{font-size:114%;margin:0 4em}html.skin-theme-clientpref-night .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}@media(prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}}@media print{.mw-parser-output .navbar{display:none!important}}</style><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:HTML" title="Template:HTML"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:HTML" title="Template talk:HTML"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:HTML" title="Special:EditPage/Template:HTML"><abbr title="Edit this template">e</abbr></a></li></ul></div></td></tr></tbody></table> <p><b>Microdata</b> is a <a href="/wiki/WHATWG" title="WHATWG">WHATWG</a> <a href="/wiki/HTML" title="HTML">HTML</a> specification used to nest <a href="/wiki/Metadata" title="Metadata">metadata</a> within existing content on web pages.<sup id="cite_ref-WHATWG_1-0" class="reference"><a href="#cite_note-WHATWG-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Search_engines" class="mw-redirect" title="Search engines">Search engines</a>, <a href="/wiki/Web_crawlers" class="mw-redirect" title="Web crawlers">web crawlers</a>, and <a href="/wiki/Web_browser" title="Web browser">browsers</a> can extract and process Microdata from a web page and use it to provide a richer browsing experience for users. Search engines benefit greatly from direct access to Microdata because it allows them to understand the information on web pages and provide more relevant <a href="/wiki/Search_engine_results_page" title="Search engine results page">results</a> to users.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> Microdata uses a supporting vocabulary to describe an item and name-value pairs to assign values to its properties.<sup id="cite_ref-DIVE_4-0" class="reference"><a href="#cite_note-DIVE-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> Microdata is an attempt to provide a simpler way of annotating <a href="/wiki/HTML_element" title="HTML element">HTML elements</a> with machine-readable tags than the similar approaches of using <a href="/wiki/RDFa" title="RDFa">RDFa</a> and <a href="/wiki/Microformat" title="Microformat">microformats</a>. </p><p>In 2013, because the W3C HTML Working Group failed to find someone to serve as an editor for the <b>Microdata HTML</b> specification, its development was terminated with a 'Note'.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> However, since that time, two new editors were selected, and five newer versions of the working draft have been published,<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-:0_10-0" class="reference"><a href="#cite_note-:0-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> the most recent being Working Draft 26 April 2018.<sup id="cite_ref-:0_10-1" class="reference"><a href="#cite_note-:0-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Vocabularies">Vocabularies</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Microdata_(HTML)&action=edit&section=1" title="Edit section: Vocabularies"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Microdata vocabularies do not provide the <a href="/wiki/Semantics" title="Semantics">semantics</a>, or meaning of an Item.<sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> Web developers can design a custom vocabulary or use vocabularies available on the web. A collection of commonly used markup vocabularies are provided by <a href="/wiki/Schema.org" title="Schema.org">Schema.org</a> schemas which include: <i>Person</i>, "<i>Place</i>", <i>Event</i>, <i>Organization</i>, <i>Product</i>, <i>Review</i>, <i>Review-aggregate</i>, <i>Breadcrumb</i>, <i>Offer</i>, <i>Offer-aggregate</i>. The website schema.org was established by search engine operators like <a href="/wiki/Google" title="Google">Google</a>, <a href="/wiki/Microsoft" title="Microsoft">Microsoft</a>, <a href="/wiki/Yahoo!" class="mw-redirect" title="Yahoo!">Yahoo!</a>, and <a href="/wiki/Yandex" title="Yandex">Yandex</a>, which use microdata markup to improve search results.<sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page / location: 85">: 85 </span></sup> </p><p>For some purposes, an ad-hoc vocabulary is adequate. For others, a vocabulary will need to be designed. Where possible, authors are encouraged to re-use existing vocabularies, as this makes content re-use easier.<sup id="cite_ref-WHATWG_1-1" class="reference"><a href="#cite_note-WHATWG-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Localization">Localization</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Microdata_(HTML)&action=edit&section=2" title="Edit section: Localization"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>In some cases, search engines covering specific regions may provide locally-specific extensions of microdata. For example, <a href="/wiki/Yandex" title="Yandex">Yandex</a>, a major search engine in Russia, supports <a href="/wiki/Microformats" class="mw-redirect" title="Microformats">microformats</a> such as <a href="/wiki/HCard" title="HCard">hCard</a> (company contact information), <a href="/wiki/HRecipe" title="HRecipe">hRecipe</a> (food recipe), <a href="/wiki/HReview" title="HReview">hReview</a> (market reviews) and <a href="/wiki/HProduct" title="HProduct">hProduct</a> (product data) and provides its own format for definition of the terms and encyclopedic articles. This extension was made in order to solve <a href="/wiki/Transliteration" title="Transliteration">transliteration</a> problems between the Cyrillic and Latin alphabets. After the implementation of additional parameters from Schema's vocabulary,<sup id="cite_ref-AcademicYan_13-0" class="reference"><a href="#cite_note-AcademicYan-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> indexation of information in Russian-language web-pages became more successful. </p> <div class="mw-heading mw-heading2"><h2 id="Global_attributes">Global attributes</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Microdata_(HTML)&action=edit&section=3" title="Edit section: Global attributes"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><code>itemscope</code> – Creates the Item and indicates that descendants of this <a href="/wiki/HTML_element" title="HTML element">element</a> contain information about it.<sup id="cite_ref-WHATWG_1-2" class="reference"><a href="#cite_note-WHATWG-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></li> <li><code>itemtype</code> – A valid URL of a vocabulary that describes the item and its properties' context.</li> <li><code>itemid</code> – Indicates a unique identifier of the item.</li> <li><code>itemprop</code> – Indicates that its containing tag holds the value of the specified item property. The property's name and value context are described by the item's vocabulary. Properties values usually consist of string values, but can also use URLs using the <code>a</code> element and its <code>href</code> attribute, the <code>img</code> element and its <code>src</code> attribute, or other elements that link to or embed external resources.<sup id="cite_ref-WHATWG_1-3" class="reference"><a href="#cite_note-WHATWG-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></li> <li><code>itemref</code> – Properties that are not descendants of the element with the <code>itemscope</code> attribute can be associated with the item using this attribute. Provides a list of element IDs (not <code>itemid</code>s) with additional properties elsewhere in the document.<sup id="cite_ref-WHATWG_1-4" class="reference"><a href="#cite_note-WHATWG-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></li> <li><code>datetime</code> – Indicates date or duration as specified by <a href="/wiki/ISO_8601" title="ISO 8601">ISO 8601</a> standard.</li></ul> <div class="mw-heading mw-heading2"><h2 id="Example">Example</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Microdata_(HTML)&action=edit&section=4" title="Edit section: Example"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The following HTML5 markup may be found on a typical “About” page containing information about a person: </p> <div class="mw-highlight mw-highlight-lang-html mw-content-ltr" dir="ltr"><pre><span></span><span class="p"><</span><span class="nt">div</span><span class="p">></span> Hello, my name is John Doe, I am a graduate research assistant at the University of Dreams. My friends call me Johnny. You can visit my homepage at <span class="p"><</span><span class="nt">a</span> <span class="na">href</span><span class="o">=</span><span class="s">"http://www.example.com/~JohnnyD"</span><span class="p">></span>www.example.com/~JohnnyD<span class="p"></</span><span class="nt">a</span><span class="p">></span>. I live at 1234 Peach Drive, Warner Robins, Georgia.<span class="p"></</span><span class="nt">div</span><span class="p">></span> </pre></div> <p>Here is the same markup with added <a href="/wiki/Schema.org" title="Schema.org">Schema.org</a><sup id="cite_ref-14" class="reference"><a href="#cite_note-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-15" class="reference"><a href="#cite_note-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-16" class="reference"><a href="#cite_note-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup> Microdata: </p> <div class="mw-highlight mw-highlight-lang-html mw-content-ltr" dir="ltr"><pre><span></span><span class="p"><</span><span class="nt">div</span> <span class="na">itemscope</span> <span class="na">itemtype</span><span class="o">=</span><span class="s">"http://schema.org/Person"</span><span class="p">></span> Hello, my name is <span class="p"><</span><span class="nt">span</span> <span class="na">itemprop</span><span class="o">=</span><span class="s">"name"</span><span class="p">></span>John Doe<span class="p"></</span><span class="nt">span</span><span class="p">></span>, I am a <span class="p"><</span><span class="nt">span</span> <span class="na">itemprop</span><span class="o">=</span><span class="s">"jobTitle"</span><span class="p">></span>graduate research assistant<span class="p"></</span><span class="nt">span</span><span class="p">></span> at the <span class="p"><</span><span class="nt">span</span> <span class="na">itemprop</span><span class="o">=</span><span class="s">"affiliation"</span><span class="p">></span>University of Dreams<span class="p"></</span><span class="nt">span</span><span class="p">></span>. My friends call me <span class="p"><</span><span class="nt">span</span> <span class="na">itemprop</span><span class="o">=</span><span class="s">"additionalName"</span><span class="p">></span>Johnny<span class="p"></</span><span class="nt">span</span><span class="p">></span>. You can visit my homepage at <span class="p"><</span><span class="nt">a</span> <span class="na">href</span><span class="o">=</span><span class="s">"http://www.example.com/~JohnnyD"</span> <span class="na">itemprop</span><span class="o">=</span><span class="s">"url"</span><span class="p">></span>www.example.com/~JohnnyD<span class="p"></</span><span class="nt">a</span><span class="p">></span>. <span class="p"><</span><span class="nt">div</span> <span class="na">itemprop</span><span class="o">=</span><span class="s">"address"</span> <span class="na">itemscope</span> <span class="na">itemtype</span><span class="o">=</span><span class="s">"http://schema.org/PostalAddress"</span><span class="p">></span> I live at <span class="p"><</span><span class="nt">span</span> <span class="na">itemprop</span><span class="o">=</span><span class="s">"streetAddress"</span><span class="p">></span>1234 Peach Drive<span class="p"></</span><span class="nt">span</span><span class="p">></span>, <span class="p"><</span><span class="nt">span</span> <span class="na">itemprop</span><span class="o">=</span><span class="s">"addressLocality"</span><span class="p">></span>Warner Robins<span class="p"></</span><span class="nt">span</span><span class="p">></span>, <span class="p"><</span><span class="nt">span</span> <span class="na">itemprop</span><span class="o">=</span><span class="s">"addressRegion"</span><span class="p">></span>Georgia<span class="p"></</span><span class="nt">span</span><span class="p">></span>. <span class="p"></</span><span class="nt">div</span><span class="p">></span> <span class="p"></</span><span class="nt">div</span><span class="p">></span> </pre></div> <p>As the above example shows, Microdata items can be nested. In this case, an item of type <a rel="nofollow" class="external free" href="http://schema.org/PostalAddress">http://schema.org/PostalAddress</a> is nested inside an item of type <a rel="nofollow" class="external free" href="http://schema.org/Person">http://schema.org/Person</a>. </p><p>The following text shows how Google parses the Microdata from the above example code. Developers can test pages containing Microdata using Google's <i>Rich Snippet Testing Tool</i>.<sup id="cite_ref-GoogleRS_17-0" class="reference"><a href="#cite_note-GoogleRS-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> </p> <div class="plainlinks"> <pre>Item Type: <a rel="nofollow" class="external free" href="http://schema.org/Person">http://schema.org/Person</a> name = John Doe jobTitle = graduate research assistant affiliation = University of Dreams additionalName = Johnny url = http://www.example.com/~JohnnyD address = Item(1) Item 1 Type: <a rel="nofollow" class="external free" href="http://schema.org/PostalAddress">http://schema.org/PostalAddress</a> streetAddress = 1234 Peach Drive addressLocality = Warner Robins addressRegion = Georgia </pre> </div> <p>The same machine-readable terms can be used not only in HTML Microdata, but also in other annotations such as <a href="/wiki/RDFa" title="RDFa">RDFa</a> or <a href="/wiki/JSON-LD" title="JSON-LD">JSON-LD</a> in the markup, or in an external <a href="/wiki/Resource_Description_Framework" title="Resource Description Framework">RDF</a> file in a serialization such as <a href="/wiki/RDF/XML" title="RDF/XML">RDF/XML</a>, <a href="/wiki/Notation3" title="Notation3">Notation3</a>, or <a href="/wiki/Turtle_(syntax)" title="Turtle (syntax)">Turtle</a>. </p> <div class="mw-heading mw-heading2"><h2 id="Support">Support</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Microdata_(HTML)&action=edit&section=5" title="Edit section: Support"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>Servers: <a href="/wiki/Google" title="Google">Google</a> can<sup id="cite_ref-GoogleCan_18-0" class="reference"><a href="#cite_note-GoogleCan-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup> use microdata in its <a href="/wiki/Search_engine_results_page" title="Search engine results page">result pages</a>.<sup id="cite_ref-GoogleRS_17-1" class="reference"><a href="#cite_note-GoogleRS-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> It was the preferred snippet format for the <a href="/wiki/Google%2B" title="Google+">Google+</a> social network.<sup id="cite_ref-19" class="reference"><a href="#cite_note-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup></li> <li>Browsers: As of July 2021<sup class="plainlinks noexcerpt noprint asof-tag update" style="display:none;"><a class="external text" href="https://en.wikipedia.org/w/index.php?title=Microdata_(HTML)&action=edit">[update]</a></sup>, no major browser supports the Microdata <a href="/wiki/Document_Object_Model" title="Document Object Model">DOM</a> <a href="/wiki/API" title="API">API</a>.<sup id="cite_ref-20" class="reference"><a href="#cite_note-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> Opera supported it from 11.60 (released in 2011), but since removed its implementation.<sup id="cite_ref-21" class="reference"><a href="#cite_note-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup> Firefox removed it in version 49.<sup id="cite_ref-22" class="reference"><a href="#cite_note-22"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup></li></ul> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Microdata_(HTML)&action=edit&section=6" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Semantic_web" class="mw-redirect" title="Semantic web">Semantic web</a></li> <li><a href="/wiki/Microformat" title="Microformat">Microformat</a></li> <li><a href="/wiki/RDFa_Lite" class="mw-redirect" title="RDFa Lite">RDFa Lite</a></li> <li><a href="/wiki/JSON-LD" title="JSON-LD">JSON-LD</a></li> <li><a href="/wiki/CP/LD" title="CP/LD">CP/LD (Content Profile/Linked Document)</a></li> <li><a href="/wiki/Semantic_HTML" title="Semantic HTML">Semantic HTML</a></li> <li><a href="/wiki/Semantic_social_network" title="Semantic social network">Semantic social network</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Microdata_(HTML)&action=edit&section=7" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist 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a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.whatwg.org/specs/web-apps/current-work/multipage/microdata.html">"Microdata — HTML Draft Standard"</a>. 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Retrieved <span class="nowrap">2016-06-30</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Rich+snippets+%28microdata%2C+microformats%2C+RDFa%29&rft.pub=Google+Inc.&rft.date=2016-05-17&rft_id=https%3A%2F%2Fdevelopers.google.com%2Fstructured-data%2Ftesting&rfr_id=info%3Asid%2Fen.wikipedia.org%3AMicrodata+%28HTML%29" class="Z3988"></span></span> </li> <li id="cite_note-GoogleCan-18"><span class="mw-cite-backlink"><b><a href="#cite_ref-GoogleCan_18-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.google.com/support/webmasters/bin/answer.py?answer=99170">"Rich Snippet display clarification"</a>. 2016-06-22<span class="reference-accessdate">. Retrieved <span class="nowrap">2016-06-30</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Rich+Snippet+display+clarification&rft.date=2016-06-22&rft_id=https%3A%2F%2Fwww.google.com%2Fsupport%2Fwebmasters%2Fbin%2Fanswer.py%3Fanswer%3D99170&rfr_id=info%3Asid%2Fen.wikipedia.org%3AMicrodata+%28HTML%29" class="Z3988"></span></span> </li> <li id="cite_note-19"><span class="mw-cite-backlink"><b><a href="#cite_ref-19">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFGoogle_Webmasters_Channel2011" class="citation audio-visual cs1">Google Webmasters Channel (2011-12-06). <a rel="nofollow" class="external text" href="https://www.youtube.com/watch?v=4W8Ah394bH8"><i>Types of Rich Snippets</i></a> (Video). <a rel="nofollow" class="external text" href="https://ghostarchive.org/varchive/youtube/20211215/4W8Ah394bH8">Archived</a> from the original on 2021-12-15<span class="reference-accessdate">. Retrieved <span class="nowrap">2016-06-30</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Types+of+Rich+Snippets&rft.date=2011-12-06&rft.au=Google+Webmasters+Channel&rft_id=https%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3D4W8Ah394bH8&rfr_id=info%3Asid%2Fen.wikipedia.org%3AMicrodata+%28HTML%29" class="Z3988"></span> <span class="cs1-visible-error citation-comment"><code class="cs1-code">{{<a href="/wiki/Template:Cite_AV_media" title="Template:Cite AV media">cite AV media</a>}}</code>: </span><span class="cs1-visible-error citation-comment"><code class="cs1-code">|author=</code> has generic name (<a href="/wiki/Help:CS1_errors#generic_name" title="Help:CS1 errors">help</a>)</span></span> </li> <li id="cite_note-20"><span class="mw-cite-backlink"><b><a href="#cite_ref-20">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://developer.mozilla.org/en-US/docs/Web/API/Microdata_DOM_API">"Microdata DOM API - Web APIs | MDN"</a>. <i>developer.mozilla.org</i><span class="reference-accessdate">. Retrieved <span class="nowrap">2021-07-05</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=developer.mozilla.org&rft.atitle=Microdata+DOM+API+-+Web+APIs+%7C+MDN&rft_id=https%3A%2F%2Fdeveloper.mozilla.org%2Fen-US%2Fdocs%2FWeb%2FAPI%2FMicrodata_DOM_API&rfr_id=info%3Asid%2Fen.wikipedia.org%3AMicrodata+%28HTML%29" class="Z3988"></span></span> </li> <li id="cite_note-21"><span class="mw-cite-backlink"><b><a href="#cite_ref-21">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFOpera_Software_Documentation_Team2011" class="citation web cs1">Opera Software Documentation Team (2011-12-06). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20141023082043/http://www.opera.com/docs/changelogs/windows/1160/">"Opera 11.60 for Windows changelog"</a>. Opera.com. 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Retrieved <span class="nowrap">2016-06-30</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Opera+11.60+for+Windows+changelog&rft.pub=Opera.com&rft.date=2011-12-06&rft.au=Opera+Software+Documentation+Team&rft_id=http%3A%2F%2Fwww.opera.com%2Fdocs%2Fchangelogs%2Fwindows%2F1160%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AMicrodata+%28HTML%29" class="Z3988"></span></span> </li> <li id="cite_note-22"><span class="mw-cite-backlink"><b><a href="#cite_ref-22">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://bugzilla.mozilla.org/show_bug.cgi?id=909633">"909633 - Remove HTML Microdata API"</a>. <i>bugzilla.mozilla.org</i><span class="reference-accessdate">. Retrieved <span class="nowrap">2021-07-05</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=bugzilla.mozilla.org&rft.atitle=909633+-+Remove+HTML+Microdata+API&rft_id=https%3A%2F%2Fbugzilla.mozilla.org%2Fshow_bug.cgi%3Fid%3D909633&rfr_id=info%3Asid%2Fen.wikipedia.org%3AMicrodata+%28HTML%29" class="Z3988"></span></span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Microdata_(HTML)&action=edit&section=8" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation cs2"><a rel="nofollow" class="external text" href="https://html.spec.whatwg.org/multipage/microdata.html"><i>Microdata — HTML Draft Standard</i></a>, <a href="/wiki/Web_Hypertext_Application_Technology_Working_Group" class="mw-redirect" title="Web Hypertext Application Technology Working Group">WHATWG</a></cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Microdata+%26mdash%3B+HTML+Draft+Standard&rft.pub=WHATWG&rft_id=https%3A%2F%2Fhtml.spec.whatwg.org%2Fmultipage%2Fmicrodata.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AMicrodata+%28HTML%29" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation cs2"><a rel="nofollow" class="external text" href="https://www.w3.org/TR/microdata/"><i>W3C HTML Microdata Working Group Note</i></a>, <a href="/wiki/W3C" class="mw-redirect" title="W3C">W3C</a></cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=W3C+HTML+Microdata+Working+Group+Note&rft.pub=W3C&rft_id=https%3A%2F%2Fwww.w3.org%2FTR%2Fmicrodata%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AMicrodata+%28HTML%29" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFAlmaer2009" class="citation cs2">Almaer, Dion (2009-05-11), <a rel="nofollow" class="external text" href="https://web.archive.org/web/20091212053447/http://ajaxian.com/archives/hixie-discusses-the-addition-of-html5-microdata"><i>Hixie discusses the addition of HTML5 "microdata"</i></a>, Ajaxian, archived from <a rel="nofollow" class="external text" href="http://ajaxian.com/archives/hixie-discusses-the-addition-of-html5-microdata">the original</a> on 2009-12-12</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Hixie+discusses+the+addition+of+HTML5+%22microdata%22&rft.pub=Ajaxian&rft.date=2009-05-11&rft.aulast=Almaer&rft.aufirst=Dion&rft_id=http%3A%2F%2Fajaxian.com%2Farchives%2Fhixie-discusses-the-addition-of-html5-microdata&rfr_id=info%3Asid%2Fen.wikipedia.org%3AMicrodata+%28HTML%29" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation cs2"><a rel="nofollow" class="external text" href="http://www.data-vocabulary.org"><i>HTML5 Microdata Specs</i></a>, Data-Vocabulary.org</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=HTML5+Microdata+Specs&rft.pub=Data-Vocabulary.org&rft_id=http%3A%2F%2Fwww.data-vocabulary.org&rfr_id=info%3Asid%2Fen.wikipedia.org%3AMicrodata+%28HTML%29" class="Z3988"></span></li></ul> <div class="navbox-styles"><link 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(computer science)">Semantics</a></li> <li><a href="/wiki/Semantic_network" title="Semantic network">Semantic networks</a></li> <li><a href="/wiki/World_Wide_Web" title="World Wide Web">World Wide Web</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Sub-topics</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Dataspaces" class="mw-redirect" title="Dataspaces">Dataspaces</a></li> <li><a href="/wiki/Hyperdata" title="Hyperdata">Hyperdata</a></li> <li><a href="/wiki/Linked_data" title="Linked data">Linked data</a></li> <li><a href="/wiki/Rule-based_system" title="Rule-based system">Rule-based systems</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Applications</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a 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href="/wiki/Solid_(web_decentralization_project)" title="Solid (web decentralization project)">Solid</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Related topics</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Collective_intelligence" title="Collective intelligence">Collective intelligence</a></li> <li><a href="/wiki/Description_logic" title="Description logic">Description logic</a></li> <li><a href="/wiki/Folksonomy" title="Folksonomy">Folksonomy</a></li> <li><a href="/wiki/Geotagging" title="Geotagging">Geotagging</a></li> <li><a href="/wiki/Information_architecture" title="Information architecture">Information architecture</a></li> <li><a href="/wiki/IXBRL" class="mw-redirect" title="IXBRL">iXBRL</a></li> <li><a href="/wiki/Knowledge_extraction" title="Knowledge extraction">Knowledge extraction</a></li> <li><a href="/wiki/Knowledge_management" title="Knowledge management">Knowledge management</a></li> <li><a href="/wiki/Knowledge_representation_and_reasoning" title="Knowledge representation and reasoning">Knowledge representation and reasoning</a></li> <li><a href="/wiki/Library_2.0" title="Library 2.0">Library 2.0</a></li> <li><a href="/wiki/Digital_library" title="Digital library">Digital library</a></li> <li><a href="/wiki/Digital_humanities" title="Digital humanities">Digital humanities</a></li> <li><a href="/wiki/Metadata" title="Metadata">Metadata</a></li> <li><a href="/wiki/Reference_(computer_science)" title="Reference (computer science)">References</a></li> <li><a href="/wiki/Topic_map" title="Topic map">Topic map</a></li> <li><a href="/wiki/Web_2.0" title="Web 2.0">Web 2.0</a></li> <li><a href="/wiki/Web_engineering" title="Web engineering">Web engineering</a></li> <li><a href="/wiki/Web_Science_Trust" title="Web Science Trust">Web Science Trust</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Standards</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Syntax and supporting technologies</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/HTTP" title="HTTP">HTTP</a></li> <li><a href="/wiki/Internationalized_Resource_Identifier" title="Internationalized Resource Identifier">IRI</a> <ul><li><small><a href="/wiki/Uniform_Resource_Identifier" title="Uniform Resource Identifier">URI</a></small></li></ul></li> <li><a href="/wiki/Resource_Description_Framework" title="Resource Description Framework">RDF</a> <ul><li><small><a href="/wiki/Semantic_triple" title="Semantic triple">triples</a></small></li> <li><small><a href="/wiki/RDF/XML" title="RDF/XML">RDF/XML</a></small></li> <li><small><a href="/wiki/JSON-LD" title="JSON-LD">JSON-LD</a></small></li> <li><small><a href="/wiki/Turtle_(syntax)" title="Turtle (syntax)">Turtle</a></small></li> <li><small><a href="/wiki/TriG_(syntax)" title="TriG (syntax)">TriG</a></small></li> <li><small><a href="/wiki/Notation3" title="Notation3">Notation3</a></small></li> <li><small><a href="/wiki/N-Triples" title="N-Triples">N-Triples</a></small></li> <li><small><a href="/wiki/TriX_(serialization_format)" title="TriX (serialization format)">TriX</a> (no W3C standard)</small></li></ul></li> <li><a href="/wiki/Research_Resource_Identifier" class="mw-redirect" title="Research Resource Identifier">RRID</a></li> <li><a href="/wiki/SPARQL" title="SPARQL">SPARQL</a></li> <li><a href="/wiki/XML" title="XML">XML</a></li> <li><a href="/wiki/Semantic_HTML" title="Semantic HTML">Semantic HTML</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Schemas, ontologies and rules</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Common_Logic" title="Common Logic">Common Logic</a></li> <li><a href="/wiki/Web_Ontology_Language" title="Web Ontology Language">OWL</a></li> <li><a href="/wiki/RDF_Schema" title="RDF Schema">RDFS</a></li> <li><a href="/wiki/Rule_Interchange_Format" title="Rule Interchange Format">Rule Interchange Format</a></li> <li><a href="/wiki/Semantic_Web_Rule_Language" title="Semantic Web Rule Language">Semantic Web Rule Language</a></li> <li><a href="/w/index.php?title=Application-Level_Profile_Semantics_(ALPS)&action=edit&redlink=1" class="new" title="Application-Level Profile Semantics (ALPS) (page does not exist)">ALPS</a></li> <li><a href="/wiki/SHACL" title="SHACL">SHACL</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Semantic annotation</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Embedded_RDF" title="Embedded RDF">eRDF</a></li> <li><a href="/wiki/GRDDL" title="GRDDL">GRDDL</a></li> <li><a class="mw-selflink selflink">Microdata</a></li> <li><a href="/wiki/Microformat" title="Microformat">Microformats</a></li> <li><a href="/wiki/RDFa" title="RDFa">RDFa</a></li> <li><a href="/wiki/SAWSDL" title="SAWSDL">SAWSDL</a></li> <li><a href="/wiki/Facebook_Platform" title="Facebook Platform">Facebook Platform</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Common vocabularies</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/DOAP" title="DOAP">DOAP</a></li> <li><a href="/wiki/Dublin_Core" title="Dublin Core">Dublin Core</a></li> <li><a href="/wiki/FOAF" title="FOAF">FOAF</a></li> <li><a href="/wiki/Schema.org" title="Schema.org">Schema.org</a></li> <li><a href="/wiki/Semantically_Interlinked_Online_Communities" title="Semantically Interlinked Online Communities">SIOC</a></li> <li><a href="/wiki/Simple_Knowledge_Organization_System" title="Simple Knowledge Organization System">SKOS</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Microformat vocabularies</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/HAtom" title="HAtom">hAtom</a></li> <li><a href="/wiki/HCalendar" title="HCalendar">hCalendar</a></li> <li><a href="/wiki/HCard" title="HCard">hCard</a></li> <li><a href="/wiki/HProduct" title="HProduct">hProduct</a></li> <li><a href="/wiki/HRecipe" title="HRecipe">hRecipe</a></li> <li><a href="/wiki/HReview" title="HReview">hReview</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table></div>    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