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</style><table class="infobox vcard"><caption class="infobox-title fn org">Technical Architecture Group</caption><tbody><tr><th scope="row" class="infobox-label" style="padding-right:0.6em;">Abbreviation</th><td class="infobox-data nickname">TAG</td></tr><tr><th scope="row" class="infobox-label" style="padding-right:0.6em;">Formation</th><td class="infobox-data note">2001</td></tr><tr><th scope="row" class="infobox-label" style="padding-right:0.6em;">Founder</th><td class="infobox-data"><a href="World_Wide_Web_Consortium" title="World Wide Web Consortium">World Wide Web Consortium</a></td></tr><tr><th scope="row" class="infobox-label" style="padding-right:0.6em;">Type</th><td class="infobox-data"><a href="Nonprofit_organization" title="Nonprofit organization">Nonprofit</a> <a href="Working_group" title="Working group">working group</a></td></tr><tr><th scope="row" class="infobox-label" style="padding-right:0.6em;">Owner</th><td class="infobox-data"><a href="World_Wide_Web_Consortium" title="World Wide Web Consortium">World Wide Web Consortium</a></td></tr><tr><th scope="row" class="infobox-label" style="padding-right:0.6em;">Website</th><td class="infobox-data"><span class="url"><a rel="nofollow" class="external text" href="https://tag.w3.org/">tag<wbr>.w3<wbr>.org</a></span></td></tr></tbody></table>
<p>The W3C <b>Technical Architecture Group</b> (TAG) is a special <a href="Working_group" title="Working group">working group</a> within the <a href="World_Wide_Web_Consortium" title="World Wide Web Consortium">World Wide Web Consortium (W3C)</a> created in 2001<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> to:<sup id="cite_ref-:0_2-0" class="reference"><a href="#cite_note-:0-2"><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><sup id="cite_ref-W3C_Process_Document_4-0" class="reference"><a href="#cite_note-W3C_Process_Document-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup>
</p>
<ul><li>document and build consensus around principles of Web architecture and to interpret and clarify these principles when necessary;</li>
<li>resolve issues involving general Web architecture brought to the TAG;</li>
<li>help coordinate cross-technology architecture developments inside and outside W3C.</li></ul>
<p>The TAG consists of inventor of the Web and W3C director <a href="Tim_Berners-Lee" title="Tim Berners-Lee">Sir Tim Berners-Lee</a>, engineers elected by W3C member organizations, as well as participants directly appointed by <a href="Tim_Berners-Lee" title="Tim Berners-Lee">Tim Berners-Lee</a>.
</p>
<meta property="mw:PageProp/toc">
<div class="mw-heading mw-heading2"><h2 id="Role_and_deliverables">Role and deliverables</h2></div>
<p>Today, the TAG's primary responsibilities are two-fold:
</p>
<ol><li>to conduct <a href="Specification_(technical_standard)" title="Specification (technical standard)">specification</a> reviews ("design reviews") of new <a href="Web_platform" title="Web platform">Web platform</a> features,<sup id="cite_ref-:5_5-0" class="reference"><a href="#cite_note-:5-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> to ensure API design consistency, and respect for web users' security and privacy</li>
<li>to document the design principles of the Web platform, which is done in the <i>Web Platform Design Principles</i> document,<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> the <i>Ethical Web Principles document</i><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> as well as various separate "Findings" documents.<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> Notable past publications include <i>Architecture of the World Wide Web</i>, volume one (2004) <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-:3_10-0" class="reference"><a href="#cite_note-:3-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup></li></ol>
<p><a href="Google" title="Google">Google</a> requires an approving TAG review for a <a href="Web_platform" title="Web platform">Web platform</a> feature to ship in <a href="Blink_(browser_engine)" title="Blink (browser engine)">Blink</a>, <a href="Google_Chrome" title="Google Chrome">Google Chrome</a>'s <a href="Rendering_engine" class="mw-redirect" title="Rendering engine">rendering engine</a>.<sup id="cite_ref-:4_11-0" class="reference"><a href="#cite_note-:4-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup><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> An approving review is also required for a W3C draft specification to be able to become a Recommendation.<sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup>
</p><p>While the TAG is a W3C working group, design reviews are not limited to W3C specifications. The TAG is often asked to review <a href="TC39" class="mw-redirect" title="TC39">TC39</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> <a href="WHATWG" title="WHATWG">WHATWG</a>,<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> or <a href="Internet_Engineering_Task_Force" title="Internet Engineering Task Force">IETF</a><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> specifications as well.
</p>
<div class="mw-heading mw-heading2"><h2 id="Participants">Participants</h2></div>
<p>The current participants (as of December 2021) are:<sup id="cite_ref-:0_2-1" class="reference"><a href="#cite_note-:0-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup>
</p>
<ol><li>Daniel Appelquist (Samsung Electronics) (Chair)</li>
<li>Rossen Atanassov (Microsoft Corporation)</li>
<li>Hadley Beeman (W3C Invited Expert)</li>
<li><a href="Tim_Berners-Lee" title="Tim Berners-Lee">Tim Berners-Lee</a> (W3C) (Chair)</li>
<li>Kenneth Rohde Christiansen (Intel Corporation)</li>
<li>Amy Guy (Digital Bazaar)</li>
<li>Yves Lafon (W3C) (staff contact)</li>
<li>Peter Linss (W3C Invited Expert) (Chair)</li>
<li>Sangwhan Moon (Google)</li>
<li>Theresa O'Connor (Apple, Inc.)</li>
<li><a href="Lea_Verou" title="Lea Verou">Lea Verou</a> (W3C Invited Expert)</li></ol>
<p>Despite some participants having a corporate affiliation, when participating in TAG meetings they are expected to act in their personal capacity to find the best solutions for the Web, not just for any particular network, technology, vendor, or user.<sup id="cite_ref-W3C_Process_Document_4-1" class="reference"><a href="#cite_note-W3C_Process_Document-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup>
</p><p>Notable past participants include:<sup id="cite_ref-17" class="reference"><a href="#cite_note-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup>
</p>
<ul><li><a href="Roy_Fielding" title="Roy Fielding">Roy Fielding</a><sup id="cite_ref-:1_18-0" class="reference"><a href="#cite_note-:1-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup></li>
<li><a href="Chris_Lilley_(computer_scientist)" title="Chris Lilley (computer scientist)">Chris Lilley</a><sup id="cite_ref-:1_18-1" class="reference"><a href="#cite_note-:1-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup></li>
<li><a href="Tim_Bray" title="Tim Bray">Tim Bray</a><sup id="cite_ref-:1_18-2" class="reference"><a href="#cite_note-:1-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup></li>
<li><a href="Dan_Connolly_(computer_scientist)" title="Dan Connolly (computer scientist)">Dan Connolly</a><sup id="cite_ref-:1_18-3" class="reference"><a href="#cite_note-:1-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup></li>
<li><a href="Mario_Jeckle" title="Mario Jeckle">Mario Jeckle</a><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><a href="T._V._Raman" title="T. V. Raman">T.V. Raman</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></li>
<li><a href="Larry_Masinter" title="Larry Masinter">Larry Masinter</a><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></li>
<li><a href="Jeni_Tennison" title="Jeni Tennison">Jeni Tennison</a><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>
<li><a href="Robin_Berjon" title="Robin Berjon">Robin Berjon</a><sup id="cite_ref-23" class="reference"><a href="#cite_note-23"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup></li>
<li><a href="Anne_van_Kesteren" title="Anne van Kesteren">Anne van Kesteren</a><sup id="cite_ref-:6_24-0" class="reference"><a href="#cite_note-:6-24"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup></li>
<li><a href="Yan_Zhu" title="Yan Zhu">Yan Zhu</a><sup id="cite_ref-:2_25-0" class="reference"><a href="#cite_note-:2-25"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup></li>
<li><a href="David_Baron_(computer_scientist)" title="David Baron (computer scientist)">David Baron</a><sup id="cite_ref-:2_25-1" class="reference"><a href="#cite_note-:2-25"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup></li></ul>
<div class="mw-heading mw-heading2"><h2 id="History">History</h2></div>
<div class="mw-heading mw-heading3"><h3 id="2012_Reform">2012 Reform</h3></div>
<p>During its first decade, the TAG had a very different role and responsibilities than what it does today.
</p><p>The primary focus of the first three years of the TAG was on documenting in a clear and easily understood manner the architectural foundations of the Web. The result was published at the end of 2004 as Architecture of the World Wide Web, Volume One.<sup id="cite_ref-:3_10-1" class="reference"><a href="#cite_note-:3-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> It is written in a relatively informal style, with illustrations, and many of its conclusions are expressed in succinct 'principles', 'constraints' and 'good practice notes', such as:
</p>
<ul><li><b>Principle: Global Identifiers</b> Global naming leads to global network effects.</li>
<li><b>Good practice: Identify with URIs</b> To benefit from and increase the value of the World Wide Web, agents should provide URIs as identifiers for resources.</li>
<li><b>Constraint: URIs Identify a Single Resource</b> Assign distinct URIs to distinct resources.</li></ul>
<p>After this publication and until 2012, the work of the TAG primarily resulted in publishing Findings documents, centered around XML, RDF, and URIs.<sup id="cite_ref-26" class="reference"><a href="#cite_note-26"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup>
</p><p>In 2012, four prominent web developers felt that the TAG had become disconnected from the realities and pain points of web developers.<sup id="cite_ref-27" class="reference"><a href="#cite_note-27"><span class="cite-bracket">[</span>27<span class="cite-bracket">]</span></a></sup> Led by Alex Russell, they dubbed themselves "the reformers" and participated in the 2012 TAG election for four vacant seats.<sup id="cite_ref-28" class="reference"><a href="#cite_note-28"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-29" class="reference"><a href="#cite_note-29"><span class="cite-bracket">[</span>29<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-30" class="reference"><a href="#cite_note-30"><span class="cite-bracket">[</span>30<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-31" class="reference"><a href="#cite_note-31"><span class="cite-bracket">[</span>31<span class="cite-bracket">]</span></a></sup> All of them got elected.<sup id="cite_ref-32" class="reference"><a href="#cite_note-32"><span class="cite-bracket">[</span>32<span class="cite-bracket">]</span></a></sup> It was only after this reform that design reviews of new specifications became a significant part of the TAG's work and the process for requesting a design review moved to <a href="GitHub" title="GitHub">GitHub</a> and became streamlined.<sup id="cite_ref-:5_5-1" class="reference"><a href="#cite_note-:5-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup>
</p>
<div class="mw-heading mw-heading3"><h3 id="First_Party_Sets_Controversy">First Party Sets Controversy</h3></div>
<p>In February 2019, Google requested a TAG design review of their First Party Sets proposal<sup id="cite_ref-33" class="reference"><a href="#cite_note-33"><span class="cite-bracket">[</span>33<span class="cite-bracket">]</span></a></sup> as required per their shipping policy.<sup id="cite_ref-:4_11-1" class="reference"><a href="#cite_note-:4-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> The proposal was rejected by the TAG in 2021.<sup id="cite_ref-34" class="reference"><a href="#cite_note-34"><span class="cite-bracket">[</span>34<span class="cite-bracket">]</span></a></sup> The group's review concluded that "the First Party Sets proposal harmful to the web in its current form".<sup id="cite_ref-35" class="reference"><a href="#cite_note-35"><span class="cite-bracket">[</span>35<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-36" class="reference"><a href="#cite_note-36"><span class="cite-bracket">[</span>36<span class="cite-bracket">]</span></a></sup> This resulted in Google updating its timeline for removing third-party cookies and postponing it to 2023.<sup id="cite_ref-37" class="reference"><a href="#cite_note-37"><span class="cite-bracket">[</span>37<span class="cite-bracket">]</span></a></sup>
</p><p>This follows earlier public statements by the TAG about prioritizing user security and privacy when conducting design reviews.<sup id="cite_ref-38" class="reference"><a href="#cite_note-38"><span class="cite-bracket">[</span>38<span class="cite-bracket">]</span></a></sup>
</p>
<div class="mw-heading mw-heading2"><h2 id="References">References</h2></div>
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</style><div id="World_Wide_Web_Consortium_(W3C)102" style="font-size:114%;margin:0 4em"><a href="World_Wide_Web_Consortium" title="World Wide Web Consortium">World Wide Web Consortium</a> (W3C)</div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">Products,<br>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%"><a href="World_Wide_Web_Consortium#W3C_recommendation_(REC)" title="World Wide Web Consortium">Recommendations</a></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="ActivityPub" title="ActivityPub">ActivityPub</a></li>
<li><a href="Activity_Streams_(format)" title="Activity Streams (format)">Activity Streams</a></li>
<li><a href="WAI-ARIA" title="WAI-ARIA">ARIA</a></li>
<li><a href="Canonical_XML" title="Canonical XML">Canonical XML</a></li>
<li><a href="Compound_Document_Format" title="Compound Document Format">CDF</a></li>
<li><a href="CSS" title="CSS">CSS</a>
<ul><li><a href="CSS_animations" title="CSS animations">Animations</a></li>
<li><a href="Flexbox" title="Flexbox">Flexbox</a></li>
<li><a href="CSS_grid_layout" title="CSS grid layout">Grid</a></li></ul></li>
<li><a href="Document_Object_Model" title="Document Object Model">DOM</a></li>
<li><a href="Efficient_XML_Interchange" title="Efficient XML Interchange">EXI</a></li>
<li><a href="Emotion_Markup_Language" title="Emotion Markup Language">EmotionML</a></li>
<li><a href="W3C_Geolocation_API" title="W3C Geolocation API">Geolocation API</a></li>
<li><a href="HTML" title="HTML">HTML</a>
<ul><li><a href="HTML5" title="HTML5">HTML5</a></li></ul></li>
<li><a href="Indexed_Database_API" title="Indexed Database API">IndexedDB</a></li>
<li><a href="Internationalization_Tag_Set" title="Internationalization Tag Set">ITS</a></li>
<li><a href="JSON-LD" title="JSON-LD">JSON-LD</a></li>
<li><a href="Linked_Data_Notifications" title="Linked Data Notifications">Linked Data Notifications</a></li>
<li><a href="MathML" title="MathML">MathML</a></li>
<li><a href="Micropub_(protocol)" title="Micropub (protocol)">Micropub</a></li>
<li><a href="Web_Ontology_Language" title="Web Ontology Language">OWL</a></li>
<li><a href="Pronunciation_Lexicon_Specification" title="Pronunciation Lexicon Specification">PLS</a></li>
<li><a href="Resource_Description_Framework" title="Resource Description Framework">RDF</a>
<ul><li><a href="RDF_Schema" title="RDF Schema">Schema</a></li>
<li><a href="RDFa" title="RDFa">RDFa</a></li></ul></li>
<li><a href="Semantic_Interpretation_for_Speech_Recognition" title="Semantic Interpretation for Speech Recognition">SISR</a></li>
<li><a href="Simple_Knowledge_Organization_System" title="Simple Knowledge Organization System">SKOS</a></li>
<li><a href="Synchronized_Multimedia_Integration_Language" title="Synchronized Multimedia Integration Language">SMIL</a></li>
<li><a href="SOAP" title="SOAP">SOAP</a></li>
<li><a href="Speech_Recognition_Grammar_Specification" title="Speech Recognition Grammar Specification">SRGS</a></li>
<li><a href="Subresource_Integrity" title="Subresource Integrity">SRI</a></li>
<li><a href="Speech_Synthesis_Markup_Language" title="Speech Synthesis Markup Language">SSML</a></li>
<li><a href="SVG" title="SVG">SVG</a>
<ul><li><a href="SVG_filter_effects" title="SVG filter effects">Filter Effects</a></li></ul></li>
<li><a href="SCXML" title="SCXML">SCXML</a></li>
<li><a href="SHACL" title="SHACL">SHACL</a></li>
<li><a href="SPARQL" title="SPARQL">SPARQL</a></li>
<li><a href="Timed_text" title="Timed text">Timed text</a></li>
<li><a href="VoiceXML" title="VoiceXML">VoiceXML</a></li>
<li><a href="WebAssembly" title="WebAssembly">WebAssembly</a></li>
<li><a href="Web_of_Things" title="Web of Things">WoT</a>
<ul><li><a href="Thing_Description" title="Thing Description">TD</a></li></ul></li>
<li><a href="Web_storage" title="Web storage">Web storage</a></li>
<li><a href="Web_Services_Description_Language" title="Web Services Description Language">WSDL</a></li>
<li><a href="Webmention" title="Webmention">Webmention</a></li>
<li><a href="WebSub" title="WebSub">WebSub</a></li>
<li><a href="WebVTT" title="WebVTT">WebVTT</a></li>
<li><a href="Web_Open_Font_Format" title="Web Open Font Format">WOFF</a></li>
<li><a href="XHTML" title="XHTML">XHTML</a>
<ul><li><a href="XHTML%2BRDFa" title="XHTML+RDFa">+RDFa</a></li></ul></li>
<li><a href="XML" title="XML">XML</a>
<ul><li><a href="XML_Base" title="XML Base">Base</a></li>
<li><a href="XML_Encryption" title="XML Encryption">Encryption</a></li>
<li><a href="XML_Events" title="XML Events">Events</a></li>
<li><a href="XML_Information_Set" title="XML Information Set">Information Set</a></li>
<li><a href="XML_namespace" title="XML namespace">Namespace</a></li>
<li><a href="XML_Schema_(W3C)" title="XML Schema (W3C)">Schema</a></li>
<li><a href="XML_Signature" title="XML Signature">Signature</a></li>
<li><a href="XForms" title="XForms">XForms</a></li>
<li><a href="XInclude" title="XInclude">XInclude</a></li>
<li><a href="XLink" title="XLink">XLink</a></li>
<li><a href="XML-binary_Optimized_Packaging" title="XML-binary Optimized Packaging">XOP</a></li>
<li><a href="XPath" title="XPath">XPath</a>
<ul><li><a href="XPath_2.0" title="XPath 2.0">2.0</a></li>
<li><a href="XPath_3" title="XPath 3">3.x</a></li></ul></li>
<li><a href="XPointer" title="XPointer">XPointer</a></li>
<li><a href="XProc" title="XProc">XProc</a></li>
<li><a href="XQuery" title="XQuery">XQuery</a></li>
<li><a href="XSL" title="XSL">XSL</a></li>
<li><a href="XSL_Formatting_Objects" title="XSL Formatting Objects">XSL-FO</a></li>
<li><a href="XSLT" title="XSLT">XSLT</a>
<ul><li><a href="XSLT_elements" title="XSLT elements">elements</a></li></ul></li></ul></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Notes</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="IndieAuth" title="IndieAuth">IndieAuth</a></li>
<li><a href="XAdES" title="XAdES">XAdES</a></li>
<li><a href="XBL" title="XBL">XBL</a></li>
<li><a href="XHTML%2BSMIL" title="XHTML+SMIL">XHTML+SMIL</a></li>
<li><a href="Extensible_User_Interface_Protocol" title="Extensible User Interface Protocol">XUP</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="World_Wide_Web_Consortium#Working_draft_(WD)" title="World Wide Web Consortium">Working drafts</a></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="Call_Control_eXtensible_Markup_Language" title="Call Control eXtensible Markup Language">CCXML</a></li>
<li><a href="CURIE" title="CURIE">CURIE</a></li>
<li><a href="Encrypted_Media_Extensions" title="Encrypted Media Extensions">EME</a></li>
<li><a href="InkML" title="InkML">InkML</a></li>
<li><a href="Media_Source_Extensions" title="Media Source Extensions">MSE</a></li>
<li><a href="Rule_Interchange_Format" title="Rule Interchange Format">RIF</a></li>
<li><a href="SMIL_Timesheets" title="SMIL Timesheets">SMIL Timesheets</a></li>
<li><a href="SXBL" title="SXBL">sXBL</a></li>
<li><a href="WebGPU" title="WebGPU">WebGPU</a></li>
<li><a href="WebXR" title="WebXR">WebXR</a></li>
<li><a href="Extensible_Forms_Description_Language" title="Extensible Forms Description Language">XFDL</a></li>
<li><a href="XFrames" title="XFrames">XFrames</a></li>
<li><a href="XMLHttpRequest" title="XMLHttpRequest">XMLHttpRequest</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Guidelines</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="Web_Content_Accessibility_Guidelines" title="Web Content Accessibility Guidelines">Web Content Accessibility Guidelines</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Initiative</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="W3C_Markup_Validation_Service" title="W3C Markup Validation Service">Markup Validation Service</a></li>
<li><a href="Web_Accessibility_Initiative" title="Web Accessibility Initiative">Web Accessibility Initiative</a></li>
<li><a href="Web_Components" title="Web Components">Web Components</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Deprecated</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="C-HTML" class="mw-redirect" title="C-HTML">C-HTML</a></li>
<li><a href="Handheld_Device_Markup_Language" title="Handheld Device Markup Language">HDML</a></li>
<li><a href="JavaScript_Style_Sheets" title="JavaScript Style Sheets">JSSS</a></li>
<li><a href="Precision_Graphics_Markup_Language" title="Precision Graphics Markup Language">PGML</a></li>
<li><a href="Vector_Markup_Language" title="Vector Markup Language">VML</a></li>
<li><a href="WebPlatform.org" title="WebPlatform.org">WebPlatform</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Obsoleted</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="P3P" title="P3P">P3P</a></li>
<li><a href="XHTML%2BMathML%2BSVG" title="XHTML+MathML+SVG">XHTML+MathML+SVG</a></li></ul>
</div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Groups,<br>organizations</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><td colspan="2" class="navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="WHATWG" title="WHATWG">WHATWG</a></li>
<li>Defunct: <a href="World_Wide_Web_Foundation" title="World Wide Web Foundation">World Wide Web Foundation</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Elected</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li>AB</li>
<li>Board</li>
</ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Working</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="CSS_Working_Group" title="CSS Working Group">CSS</a></li>
<li><a href="SVG_Working_Group" title="SVG Working Group">SVG</a></li>
<li><a href="WebAssembly" title="WebAssembly">WebAssembly</a></li>
<li><a href="Web_Authentication_Working_Group" title="Web Authentication Working Group">WebAuthn</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Community, business</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="Improving_Web_Advertising_Business_Group" title="Improving Web Advertising Business Group">Web Advertising BG</a></li>
<li><a href="WebAssembly" title="WebAssembly">WebAssembly</a> CG</li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Closed</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="W3C_Device_Description_Working_Group" title="W3C Device Description Working Group">Device Description</a> (DDWG)</li>
<li><a href="HTML_Working_Group" title="HTML Working Group">HTML</a></li>
<li><a href="W3C_MMI" title="W3C MMI">Multimodal Interaction Activity</a> (MMI)</li></ul>
</div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Software</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><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="CERN_httpd" title="CERN httpd">CERN httpd</a></li>
<li><a href="Libwww" title="Libwww">Libwww</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Web_browser" title="Web browser">Browsers</a></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="Line_Mode_Browser" title="Line Mode Browser">Line Mode</a> (1990–)</li>
<li><a href="Arena_(web_browser)" title="Arena (web browser)">Arena</a> (1993–98)</li>
<li><a href="Agora_(web_browser)" title="Agora (web browser)">Agora</a> (1994–97)</li>
<li><a href="Argo_(web_browser)" title="Argo (web browser)">Argo</a> (1994–97)</li>
<li><a href="Amaya_(web_editor)" title="Amaya (web editor)">Amaya</a> (browser/editor, 1996–2012)</li></ul>
</div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Conferences</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 href="The_Web_Conference" title="The Web Conference">International World Wide Web Conference</a> (IW3C)
<ul><li><a href="International_World_Wide_Web_Conference_Committee" title="International World Wide Web Conference Committee">Steering Committee</a> (IW3C2)</li>
<li><a href="First_International_Conference_on_the_World-Wide_Web" title="First International Conference on the World-Wide Web">First conference</a> ("WWW1", 1994)</li></ul></li></ul>
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