The mission of the Accessibility Guidelines Working Group is to develop guidelines to make Web content accessible for people with disabilities. In particular, the group is responsible for the Web Content Accessibility Guidelines 2.0 as a W3C Recommendation.

Chairs: Alastair Campbell Andrew Kirkpatrick
W3C Staff Contacts: Shadi Abou-Zahra Michael Cooper Shawn Henry Ruoxi Ran
Scheduled to end: 2019-10-31

The mission of the Accessible Platform Architectures Working Group (APA WG, formerly part of the Protocols and Formats Working Group) is to ensure W3C specifications provide support for accessibility to people with disabilities. The group advances this mission through review of W3C specifications, development of technical support materials, collaboration with other Working Groups, and coordination of harmonized accessibility strategies within W3C.

Chair: Janina Sajka
W3C Staff Contacts: Judy Brewer Michael Cooper Ruoxi Ran
Scheduled to end: 2021-07-31

The mission of the Accessible Rich Internet Applications Working Group (ARIA WG, formerly part of the Protocols and Formats Working Group) is to develop technologies that enhance accessibility of web content for people with disabilities. This includes continued development of the Accessible Rich Internet Applications (WAI-ARIA) suite of technologies and other technical specifications when needed to bridge known gaps.

Chairs: Joanmarie Diggs James Nurthen
W3C Staff Contacts: Michael Cooper Ruoxi Ran
Scheduled to end: 2021-10-31

The mission of the Audio Working Group is to add advanced sound and music synthesis capabilities to the Open Web Platform.

Chairs: Matthew Paradis Raymond Toy
W3C Staff Contact: Chris Lilley
Scheduled to end: 2019-12-31

The mission of the Automotive Working Group is to develop Open Web Platform specifications for application developers, including but not limited to HTML5/JavaScript, enabling Web connectivity through in-vehicle infotainment systems and vehicle data access protocols. The API is agnostic with regard to the connection used.

Chairs: Paul Boyes Patrick Lünnemann
W3C Staff Contact: Ted Guild
Scheduled to end: 2020-06-30

The mission of the Browser Testing and Tools Working Group is to produce technologies for use in testing, debugging, and troubleshooting of Web applications running in Web browsers.

Chair: David Burns
W3C Staff Contact: Michael[tm] Smith
Scheduled to end: 2020-12-31

The mission of the group is to develop and maintain CSS.

Chairs: Rossen Atanassov Alan Stearns
W3C Staff Contacts: Chris Lilley Thierry Michel Fuqiao Xue
Scheduled to end: 2019-09-30

The mission of the Dataset Exchange WG is to: 1. Revise the Data Catalog Vocabulary, DCAT, taking account of related vocabularies and the extensive work done in developing a number of its application profiles. 2. Define and publish guidance on the use of application profiles when requesting and serving data on the Web.

Chairs: Karen Coyle Peter Winstanley
W3C Staff Contact: Dave Raggett
Scheduled to end: 2019-12-31

The mission of the Decentralized Identifier Working Group is to standardize the DID URI scheme, the data model and syntax of DID Documents, which contain information related to DIDs that enable the aforementioned initial use cases, and the requirements for DID Method specifications.

Chairs: Daniel Burnett Brent Zundel
W3C Staff Contact: Ivan Herman
Scheduled to end: 2021-09-30

The mission of the Device and Sensors Working Group is to create client-side APIs that enable the development of Web Applications that interact with device hardware, sensors, services and applications such as the camera, microphone, proximity sensors, native address books, calendars and native messaging applications.

Chairs: Reilly Grant Anssi Kostiainen
W3C Staff Contact: Fuqiao Xue
Scheduled to end: 2020-06-30

The mission of the Distributed Tracing is to define standards for interoperability between tracing tools.

Chairs: Morgan McLean Nik Molnar Alois Reitbauer
W3C Staff Contact: Philippe Le Hégaret
Scheduled to end: 2020-04-30

The mission of the Education and Outreach Working Group is to develop strategies and resources to promote awareness, understanding, implementation, and conformance testing for W3C accessibility standards; and to support the accessibility work of other W3C Groups.

Chairs: Brent Bakken Sharron Rush
W3C Staff Contact: Shawn Henry
Scheduled to end: 2020-06-30

The mission of the HTML Working Group is to give input to and bring the WHATWG HTML and DOM Review Drafts to W3C Recommendations.

Chairs: Theresa O'Connor Léonie Watson
W3C Staff Contact: Xiaoqian Wu
Scheduled to end: 2021-06-01

The mission of the Immersive Web Working Group is to help bring high-performance Virtual Reality (VR) and Augmented Reality (AR) (collectively known as XR) to the open Web via APIs to interact with XR devices and sensors in browsers.

Chairs: Ada Rose Cannon Chris Wilson
W3C Staff Contacts: Dominique Hazaël-Massieux Atsushi Shimono
Scheduled to end: 2020-03-01

The mission of the Internationalization Core Working Group is to enable universal access to the World Wide Web by proposing and coordinating the adoption by the W3C of techniques, conventions, technologies, and designs that enable and enhance the use of W3C technology and the Web worldwide, with and between the various different languages, scripts, regions, and cultures.

Chair: Addison Phillips
W3C Staff Contacts: Richard Ishida Atsushi Shimono Fuqiao Xue
Scheduled to end: 2021-06-30

The mission of the JSON-LD Working Group is to update the JSON-LD 1.0 specifications to address specific usability or technical issues based on the community’s experiences, implementer feedback, and requests for new features.

Chairs: Robert Sanderson Benjamin Young
W3C Staff Contact: Ivan Herman
Scheduled to end: 2020-06-15

The mission of the Media Working Group is to develop and improve client-side media processing and playback features on the Web.

Chairs: Mounir Lamouri Jer Noble
W3C Staff Contact: François Daoust
Scheduled to end: 2021-05-31

The mission of the Pointer Events Working Group is to provide methods to enable simple device independent input from pointing devices such as mouse, pen, and multi-touch screen.

Chair: Patrick Lauke
W3C Staff Contact: Philippe Le Hégaret
Scheduled to end: 2020-12-31

The mission of the Publishing Working Group is to enable all publications—with all their specificities and traditions—to become first-class entities on the Web. The group will provide the necessary technologies on the Open Web Platform to make the combination of traditional publishing and the Web complete in terms of accessibility, usability, portability, distribution, archiving, offline access, and reliable cross referencing.

Chairs: Garth Conboy Wendy Reid Tzviya Siegman
W3C Staff Contact: Ivan Herman
Scheduled to end: 2020-07-01

The mission of the Second Screen Working Group is to provide specifications that enable web pages to use secondary screens to display web content.

Chair: Anssi Kostiainen
W3C Staff Contact: François Daoust
Scheduled to end: 2019-12-31

The mission of the Service Workers Working Group is to enable Web applications to take advantage of persistent background processing, including hooks to enable bootstrapping of web applications while offline.

Chairs: Jake Archibald Jungkee Song
W3C Staff Contacts: Yves Lafon Michael[tm] Smith
Scheduled to end: 2019-12-31

The mission of the Scalable Vector Graphics (SVG) Working Group is to develop and maintain SVG.

Chair: Dirk Schulze
W3C Staff Contact: Chris Lilley
Scheduled to end: 2021-03-31

The mission of the Timed Text Working Group is to develop W3C Recommendations for media online captioning by developing and maintaining new versions of the Timed Text Markup Language (TTML) and WebVTT (Web Video Text Tracks) based on implementation experience and interoperability feedback, and the creation of semantic mappings between those languages.

Chairs: Nigel Megitt David Singer
W3C Staff Contacts: Philippe Le Hégaret Thierry Michel Atsushi Shimono
Scheduled to end: 2020-05-31

It is currently difficult to express banking account information, education qualifications, healthcare data, and other sorts of machine-readable personal information that has been verified by a 3rd party on the Web. These sorts of data are often referred to as verifiable claims. The mission of the Verifiable Claims Working Group is to make expressing, exchanging, and verifying claims easier and more secure on the Web. This charter focuses on use cases for education.

Chairs: Daniel Burnett Matt Stone
W3C Staff Contact: Kazuyuki Ashimura
Scheduled to end: 2019-09-30

The mission of the Web Application Security Working Group is to develop security and policy mechanisms to improve the security of Web Applications, and enable secure cross-site communication.

Chairs: Daniel Veditz Mike West
W3C Staff Contacts: Wendy Seltzer Samuel Weiler
Scheduled to end: 2021-03-31

The mission of the Web Applications Working Group (WebApps WG) is to produce specifications that facilitate the development of client-side web applications.

Chairs: Marcos Caceres Léonie Watson
W3C Staff Contacts: Yves Lafon Xiaoqian Wu
Scheduled to end: 2021-05-31

The mission of the Web Authentication Working Group, in the Security Activity is to define a client-side API providing strong authentication functionality to Web Applications.

Chairs: John Fontana Anthony Nadalin
W3C Staff Contact: Wendy Seltzer
Scheduled to end: 2019-10-30

The mission of the Web Fonts Working Group is to develop specifications that allow the interoperable deployment of downloadable fonts on the Web.

Chair: Vladimir Levantovsky
W3C Staff Contact: Chris Lilley
Scheduled to end: 2022-09-13

The Web of Things seeks to counter the fragmentation of the IoT through standard complementing building blocks (e.g., metadata and APIs) that enable easy integration across IoT platforms and application domains.

Chairs: Matthias Kovatsch Michael McCool
W3C Staff Contacts: Kazuyuki Ashimura Dave Raggett
Scheduled to end: 2019-12-31

The mission of the Web Payments Working Group is to make payments easier and more secure on the Web.

Chairs: Adrian Hope-Bailie Nick Telford-Reed
W3C Staff Contact: Ian Jacobs
Scheduled to end: 2019-12-31

The mission of the Web Performance Working Group is to provide methods to measure aspects of application performance of user agent features and APIs.

Chairs: Ilya Grigorik Todd Reifsteck Yoav Weiss
W3C Staff Contacts: Philippe Le Hégaret Xiaoqian Wu
Scheduled to end: 2020-06-30

The mission of the Web Platform Working Group is to continue the development of the HTML language and provide specifications that enable improved client-side application development on the Web, including application programming interfaces (APIs) for client-side development and markup vocabularies for describing and controlling client-side application behavior.

Chairs: Marcos Caceres Charles 'chaals' (McCathie) Nevile Léonie Watson
W3C Staff Contacts: Yves Lafon Xiaoqian Wu
Scheduled to end: 2019-03-31

The mission of the Web Real-Time Communications Working Group is to define client-side APIs to enable Real-Time Communications in Web browsers. These APIs should enable building applications that can be run inside a browser, requiring no extra downloads or plugins, that allow communication between parties using audio, video and supplementary real-time communication, without having to use intervening servers.

Chairs: Bernard Aboba Harald Alvestrand Jan-Ivar Bruaroey
W3C Staff Contacts: Carine Bournez Dominique Hazaël-Massieux
Scheduled to end: 2020-03-31

The mission of the WebAssembly Working Group is to standardize a size- and load-time-efficient format and execution environment, allowing compilation to the web with consistent behavior across a variety of implementations.

Chair: Ben Smith
W3C Staff Contact: Eric Prud'hommeaux
Scheduled to end: 2019-07-31

The Chinese Web Interest Group provides a forum for W3C members to enhance the participation in Web standards work from the Chinese Web community.

Chairs: Angel Li Wanming Lin Qingqian Tao Zhiqiang Yu
W3C Staff Contacts: Xueyuan Jia Fuqiao Xue
Scheduled to end: 2020-09-30

The mission of the Internationalization (I18n) Interest Group, part of the Internationalization Activity, is to help the Working Groups within the Internationalization Activity and provides a forum to discuss issues related to the internationalization of the Web.

Chair: Martin Dürst
W3C Staff Contact: Richard Ishida
Scheduled to end: 2021-06-30

The mission of the Media and Entertainment Interest Group is to provide a forum for media-related technical discussions to track progress of media features on the Web within W3C groups and use of Web technologies by external organizations, and to identify use cases and requirements that existing and/or new specifications need to meet to achieve a tighter support of media services on the Web.

Chairs: Tatsuya Igarashi Chris Needham Mark Vickers
W3C Staff Contact: Kazuyuki Ashimura
Scheduled to end: 2021-04-30

The Patent and Standards Interest Group (PSIG) is a forum for W3C Members and Invited Experts to discuss policy issues regarding the implementation of the W3C Patent Policy as well as new Patent-related questions that arise which require action or attention from the W3C Membership. The PSIG has no authority to create new policy. However, input from the PSIG on the operation of the policy and areas that might require further policy development by a W3C Working Group is welcome.

Chair: Donald Deutsch
W3C Staff Contacts: Wendy Seltzer Rigo Wenning
Scheduled to end: 2021-03-31

The mission of the Privacy Interest Group, part of the Privacy Activity, is to improve the support of privacy in Web standards by monitoring ongoing privacy issues that affect the Web, investigating potential areas for new privacy work, and providing guidelines and advice for addressing privacy in standards development.

Chairs: Christine Runnegar Peter Snyder Tara Whalen
W3C Staff Contact: Samuel Weiler
Scheduled to end: 2019-09-30

The Spatial Data on the Web Interest Group develops and maintains vocabularies and best practices that encourage better sharing of spatial data on the Web; and identify areas where standards should be developed jointly by both W3C and OGC.

Chairs: Jeremy Tandy Linda van den Brink
W3C Staff Contacts: François Daoust Ted Guild
Scheduled to end: 2019-12-31

The mission of the Web Accessibility Initiative Interest Group (WAI IG) is to provide a forum for review of deliverables under development by other WAI groups; for exploration of barriers to and potential solutions for accessibility of the Web; and for exchanging information about activities related to Web accessibility around the world.

Chair: Katie Haritos-Shea
W3C Staff Contacts: Judy Brewer Shawn Henry
Scheduled to end: 2020-03-31

The mission of the Web & Networks Interest Group is to explore solutions for web applications to leverage network capabilities in order to achieve better performance and resources allocation, both on the device and network.

Chairs: Sudeep Divakaran Dan Druta Song XU
W3C Staff Contact: Dominique Hazaël-Massieux
Scheduled to end: 2020-12-31

The mission of the Web of Things Interest Group is to counter the fragmentation of the Internet of Things by introducing a Web-based abstraction layer capable of interconnecting existing Internet of Things platforms and complementing available standards. We aim to reduce costs through the global reach of Web standards, to enable open markets of services, and to unleash the power of the network effect. As a W3C Interest Group, we are seeking to build a shared understanding of the Web of Things, and to identify opportunities for initiating standards track work within W3C working groups. Liaisons between W3C, industry alliances and standards development organizations are already in discussion for two critical areas: semantic interoperability and end-to-end security across different platforms.

Chair: Matthias Kovatsch
W3C Staff Contacts: Kazuyuki Ashimura Dave Raggett
Scheduled to end: 2019-12-31

The mission of the Web Payment Security Interest Group is to enhance the security and interoperability of Web payments. The group pursues its mission by creating a forum for organizations to define areas of collaboration and identify gaps between existing technical specifications in order to increase compatibility among different technologies.

Chair: Ian Jacobs
W3C Staff Contact: Ian Jacobs
Scheduled to end: 2021-03-25

The mission of the Web Security Interest Group is to serve as a forum for discussions on improving standards and implementations to advance the security of the Web.

W3C Staff Contacts: Wendy Seltzer Samuel Weiler
Scheduled to end: 2019-01-01