The   Web Performance Working Group   invites implementations of two Candidate Recommendation Snapshots: User Timing  defines an interface to help web developers measure the performance of their applications by giving them access to high precision timestamps. Performance Timeline  extends the High Resolution Time specification [ HR-TIME-3 ] by providing methods to store and retrieve high resolution performance metric data. Introduction: Mastering Digital Growth in 2025—From SEO to Social Media and AI In 2025, digital success isn’t just about having an online presence—it’s about strategically connecting the dots between SEO, web design, content creation, and social media. For small businesses and marketers alike, staying ahead means embracing the latest tools and trends that shape how we rank, engage, and grow online. Whether you're aiming to  win local search  with cutting-edge  SEO for Small Business in 2025: How to Win Local Search and Drive G...

  The  MiniApps Working Group  has published a First Public Working Draft of  MiniApp Packaging . This specification defines semantics and conformance requirements for a  MiniApp package , and the structure of the single file container that holds the resources of a MiniApp, including a manifest file, static page templates, stylesheets, JavaScript documents, media files and other resources. Instances of the  MiniApp package  are used for MiniApp distribution and execution on runtime environments ( MiniApp user agent ).

  he   Accessible Rich Internet Applications Working Group   has published a First Public Working Draft of   Digital Publishing Accessibility API Mappings 1.1 . The Digital Publishing Accessibility API Mappings (DPub-AAM) defines how   user agents   map the Digital Publishing WAI-ARIA Module [ dpub-aria-1.1 ] markup to platform   accessibility  APIs . It is intended for user agent developers responsible for accessibility in their user agent so that they can support the accessibility content produced for digital publishing. The implementation of this specification in user agents enables authors to produce more accessible e-books, by conveying structural book constructs used by the digital publishing industry to assistive technologies. It does this by extending the  Core Accessibility API Mappings 1.1  and the  Accessible Name and Description: Computation and API Mappings 1.1  specifications for user agents. It provides Accessibi...

  The W3C Advisory Committee, having  nominated  four individuals, is invited today to vote until 14 December 2021 for  three seats  in the  W3C Technical Architecture Group (TAG)  election. The TAG is a special working group within the W3C, chartered under the  W3C Process Document , with stewardship of the Web architecture. Some aspects of its mission include to document and build consensus around principles of Web architecture and to interpret and clarify these principles when necessary; to resolve issues involving general Web architecture brought to the TAG; to help coordinate cross-technology architecture developments inside and outside W3C.

  We are excited to announce an open position (possibly part-time) :  Automotive & Transportation Champion , based in the USA or China, or Japan. This is an opportunity for a global leader to drive the overall strategy of applying open web standards to the automotive & transportation ecosystem. The Champion is a thought leader who has a deep understanding of the needs of the automotive industry and a working understanding of web technology. The Champion engages with other automotive thought leaders from W3C Members and with technologists in W3C. By bringing these groups together, the Champion identifies new technology needs for the industry and identifies technical and business approaches to satisfy those needs.

  12 November 2021 The World Wide Web Consortium published the Authorized Arabic Translation of  Web Content Accessibility Guidelines (WCAG) 2.1 ,  مبادئ النفاذ إلى محتوى الويب (WCAG2.1) . The Lead Translation Organization for this Authorized Translation was the  Mada Center, Qatar . Translations in other languages are listed in  WCAG 2 Translations . W3C Web Accessibility Initiative ( WAI ) particularly encourages the development of Authorized Translations of WCAG 2.1 and other technical specifications to facilitate their adoption and implementation internationally. Read about the  Policy for W3C Authorized Translations .

  W3C’s annual technical meeting,  TPAC , has a unique feature this year – an  Exhibition Space  that is open to the public! If you’re interested in learning about solutions that you can leverage, then  register  to come visit us. The  W3C TPAC Exhibition Hall  is open from 18 – 24 October so please stop by and visit our great Sponsors – Coil, Legible, Igalia and Movement for an Open Web.

  W3C and Yubico announced today the opening of registration for a W3Cx online education course that teaches developers how to build and incorporate modern authentication techniques into their web-based applications using W3C’s Web Authentication (WebAuthn). Both organizations collaborated to design the Massive Open Online Course (MOOC) titled “Introduction to Web Authentication” to equip learners with the knowledge to replace aging password-based credentials with a secure model that incorporates strong authentication. The course to begin 30 November 2021 is free to learners who can opt-into a paid course and earn a certificate of completion. Please, read more in our  joint press release .

  The   Accessible Platform Architectures Working Group   has published a First Public Working Draft of   Accessibility of Remote Meetings . Remote meeting is an umbrella term used to describe real-time discussions or presentations held between two or more parties online. The issues faced by people with disabilities will vary depending on the implementation of accessibility requirements and current limitations of remote meeting software. While W3C has applicable guidance across several standards and Notes relating to real-time communication and XR, it is this level of complexity that this document endeavours to address. Comments are welcome through  19th November 2021 .

  The  Media Working Group  has published a First Public Working Draft of  Media Source Extensions™ . This specification extends  HTMLMediaElement  [ HTML ] to allow JavaScript to generate media streams for playback. Allowing JavaScript to generate streams facilitates a variety of use cases like adaptive streaming and time shifting live streams.

  The   Web Payments Working Group   has just published Proposed Recommendations of   Payment Request API   and   Payment Method Identifiers . Payment Request standardizes an API to allow merchants (i.e., web sites selling physical or digital goods) to utilize one or more payment methods with minimal integration. Browsers facilitate the payment flow between merchant and user. Payment Method Identifiers defines payment method identifiers and how they are validated, and, where applicable, minted and formally registered with the W3C.

  The  Web Applications Working Group  has just published a Proposed Recommendation of  ARIA in HTML . This specification defines the authoring rules (author conformance requirements) for the use of  Accessible Rich Internet Applications (WAI-ARIA) 1.1  and  Digital Publishing WAI-ARIA Module 1.0  attributes on [ HTML ] elements. This specification’s primary objective is to define requirements for use with conformance checking tools used by authors (i.e., web developers). These requirements will aid authors in their development of web content, including custom interfaces/widgets, that makes use of ARIA to complement or extend the features of the host language [ HTML ].

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21 September 2021 The Web Real-Time Communications Working Group has published a First Public Working Draft of WebRTC Encoded Transform. The goal of this work is to define an API for processing encoded media in WebRTC, for example for voice processing, background removal, dynamic control of codec parameters, etc. This document specifies an API surface for manipulating the bits on MediaStreamTracks being sent via an RTCPeerConnection.api

9 September 2021 The Immersive Web Working Group has published a First Public Working Draft of WebXR Lighting Estimation API Level 1. This specification describes support for exposing estimates of environmental lighting conditions to WebXR sessions.

  7 September 2021 The  Web Fonts Working Group  has published a First Public Working Draft of  Incremental Font Transfer . This specification defines two methods to incrementally transfer fonts from server to client. Incremental transfer allows clients to load only the portions of the font they actually need which speeds up font loads and reduces data transfer needed to load the fonts. A font can be loaded over multiple requests where each request incrementally adds additional data.

  1 September 2021 The Accessible Platform Architectures ( APA ) Working Group has published  XR Accessibility User Requirements (XAUR)  as a Working Group Note. XR refers to hardware, applications, and techniques used for virtual reality or immersive environments (VR), augmented or mixed reality (AR), and other related technologies. XAUR introduces technical accessibility challenges, such as the need for multi-modal support, synchronization of input and output devices, and customization. It describes accessibility user needs and suggests requirements. XAUR is for designers and developers involved in creating immersive and augmented experiences. It’s also useful for anyone who wants to better understand accessibility in a range of immersive or augmented environments.

  The   Math Working Group  has published the First Public Working Draft of   MathML Core . The MathML Core specification tries to address several issues related to implementing MathML in browsers. The  MathML3  specification has been difficult to implement for browsers, because it is big and does not contain very precise rules for rendering math formulas. MathML also has several parts that are not useful in browsers. The MathML Core specification tries to define an appropriate subset of MathML, describe its rendering in detail (using rules from the TeXBook and the Open Font Format as basis) and clarify the interactions of MathML with other parts of HTML and the Open Web Platform. The Math Working Group is also working on the rest of MathML. It is defining MathML4, the fourth version of MathML. The features included in MathML Core may evolve, or a second version of MathML Core may be defined, depending on how MathML4 develops.

  W3C is pleased to announce the  report from the W3C Workshop on Smart Cities , held on 25 June 2021. The main goal of the workshop was to improve and finalize the description of the  draft Charter for a potential Smart Cities Interest Group  so that we can launch the Interest Group and start further discussions on (1) interoperability for Web-based Smart City services and (2) use cases and requirements that W3C specifications need to meet to support Smart City services. Workshop discussions: Identified Smart Cities standardization stakeholders to drive the development of Web standards aligned with the real needs of Smart Cities Clarified reasonable applications for Smart Cities technologies Pointed out how to improve the draft Charter for the potential Smart Cities Interest Group As a concrete next step following the workshop, W3C will finalize the draft Charter hoping to launch a Smart Cities Interest Group and start further discussion within the group. We thank a...

  The World Wide Web Consortium published the Authorized Norwegian Translation of  Web Content Accessibility Guidelines (WCAG) 2.1 ,  Retningslinjer for universell utforming av nettinnhold (WCAG) 2.1 . The Lead Translation Organization for this Authorized Translation was the  Digitaliseringsdirektoratet (Norwegian Digitalisation Agency) . Translations in other languages are listed in  WCAG 2 Translations . W3C Web Accessibility Initiative ( WAI ) particularly encourages the development of Authorized Translations of WCAG 2.1 and other technical specifications to facilitate their adoption and implementation internationally. Read about the  Policy for W3C Authorized Translations .

  The  Audio Working Group  has published  Web Audio API  as a W3C Recommendation. This specification describes a high-level Web API for creating, shaping, and processing audio directly in a Web browser or in web applications. With the API standardized and deployed as a royalty-free feature in Web browsers and other devices and platforms, both on desktop and mobile, creating sound with the Web Audio API has become a dependable, widely available, built-in capability, eliminating the need to install plugins or download separate applications. You may read more in our  Press Release .

  [At the occasion of  April Fools’ Day ] W3C today re-introduced the popular BLINK feature as part of the open web platform, thus mitigating the community critique about the removal of the early version. Using state-of-the-art W3C technology, Web authors now can be sure to get the readers’ attention that their important information deserves, and web users to never miss important information again. The new feature gives back full editing control to web authors while ensuring an inclusive user experience for all. More information is available in the  press release .

  Since its founding in 1994 by Web Inventor Tim Berners-Lee, the World Wide Web Consortium has developed the foundational technical standards upon which the Web has flourished. The Web and its place in society have changed dramatically, and the Web Consortium has been at the core of its technical interoperability. Today we need a more dramatic transformation to address the opportunities and threats the Web now faces and to continue to shape its future constructively. W3C is currently headquartered in Massachusetts, with staff members distributed around the world. Four institutions partner to “host” W3C: MIT (USA), ERCIM (France), Keio University (Japan), and Beihang University (China). We are planning the transition to a USA-based incorporated legal entity, a 501(c)(3) non-profit, as of January 1, 2022, which will continue to work with the distributed staff while consolidating financial and administrative functions. The Web Consortium is accepting proposals for Professional Employ...

  The   Accessible Rich Internet Applications Working Group  invites implementations of a Candidate Recommendation of   Accessible Rich Internet Applications (WAI-ARIA) 1.2 . This specification provides an ontology of roles, states, and properties that define accessible user interface elements and can be used to improve the accessibility and interoperability of web content and applications. These semantics are designed to allow an author to properly convey user interface behaviors and structural information to assistive technologies in document-level markup. This version adds features new since   WAI-ARIA 1.1   to improve interoperability with assistive technologies to form a more consistent accessibility model for [ HTML ] and [ SVG2 ]. This specification complements both [HTML] and [SVG2]. Please share any implementations or comments by  5 April 2021 .

  The   EPUB 3 Working Group   has published a First Public Working Draft of   EPUB Accessibility 1.1 . This document specifies content conformance requirements for verifying the accessibility of EPUB Publications. It also specifies accessibility metadata requirements for the discoverability of EPUB Publications. The document takes an abstract approach to the accessibility requirements for EPUB Publications, similar to how WCAG 2 separates its accessibility guidelines from the techniques to achieve them. This approach allows the guidelines to remain stable even as the format evolves. To facilitate this approach, a companion  EPUB Accessibility Techniques 1.1  has also been published today as a W3C Working Group Note, which outlines conformance techniques. These techniques explain how to meet the requirements of this document for different versions of EPUB. The Working Group welcomes comments via the  GitHub repository issues .

  W3C is pleased to announce a  report  from the  W3C/OGC Joint Workshop Series on Maps for the Web , held in September & October, 2020. Through live presentations, panel discussions, and pre-recorded videos, workshop participants discussed requirements and proposals for Web platform maps. As an outcome of the workshop, participants seek to initiate a cross-community (W3C, OGC among others) working group that will define a roadmap to specify and implement native Web maps. The ongoing work was initiated and has been incubated in the ​ W3C Maps for HTML Community Group ​ since late 2014. Anyone interested in participating in the Maps for the Web discussions should join the free W3C Community Group. W3C thanks our sponsor, Natural Resources Canada, the ​ Program Committee ​, our co-host, the Open Geospatial Consortium, and all the participants for making this event a success. Please read more in the W3C Blog  post .

  12 January 2021 The  EPUB 3 Working Group  has published four First Public Working Drafts today for EPUB 3.3. This technology defines a distribution and interchange format for digital publications and documents. The EPUB format provides a means of representing, packaging, and encoding structured and semantically enhanced Web content — including HTML, CSS, SVG, and other resources — for distribution in a single-file container. The specification represents the third major revision and, in particular, a revision of the  EPUB 3.2 document  published by the EPUB 3 Community Group. This new version of the specification is now on a W3C Recommendation Track. The four documents published by the Working Group are: The  EPUB 3.3  specification defines the authoring requirements for EPUB Publications and represents the third major revision of the standard. The  EPUB 3.3 Reading Systems  specification defines the conformance requirements for EPUB 3...

  The W3C Advisory Committee has  elected  the following people to the W3C Technical Architecture Group (TAG): Amy Guy (Digital Bazaar), Sangwhan Moon (W3C Invited Expert), Theresa O’Connor (Apple, Inc.) and Lea Verou (W3C Invited Expert). They join co-Chair Tim Berners-Lee and continuing participants, Daniel Appelquist (Samsung Electronics; co-Chair), Rossen Atanassov (Microsoft Corporation), Hadley Beeman (W3C Invited Expert), Kenneth Rohde Christiansen (Intel Corporation) and Peter Linss (W3C Invited Expert; co-Chair). Yves Lafon continues as staff contact. Many thanks for contributions to the TAG to the departing participants, David Baron (W3C Invited Expert) and Alice Boxhall (Google), whose terms end at the end of this month. The TAG is a special group within the W3C, chartered under the  W3C Process Document , with stewardship of the Web architecture. The mission of the TAG is to build consensus around principles of Web architecture and to interpret and clarif...