Working Groups

The mission of the Accessibility 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.

The mission of the Accessibility Guidelines Working Group (AG WG) is to develop specifications to make content on the Web accessible for people with disabilities and to participate in the development and maintenance of implementation support materials for the Web Content Accessibility Guidelines.

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.

The mission of the Accessible Rich Internet Applications Working Group is to enhance the accessibility of web content through the development of supplemental attributes, including roles, states, and other properties, that can be applied to native host language elements and exposed via platform accessibility APIs.

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

The mission of the Audiobooks Working Group is to maintain the Publication Manifest and Audiobooks Recommendations and related Working Group Notes.

The mission of the Automotive Working Group is to develop specifications for exposing information services for in-vehicle and cloud based uses.

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.

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

The mission of the Dataset Exchange WG is to: 1. Maintain and revise the Data Catalog Vocabulary, DCAT, taking into account feature requests from the DCAT user community. 2. Define and publish guidance on the specification and use of application profiles when requesting and serving data on the Web.

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.

The mission of the Devices and Sensors Working Group (DAS WG) is to create secure and privacy-preserving client-side APIs that enable the development of web applications that interact with device capabilities.

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

The mission of the EPUB 3 Working Group is to maintain and develop the EPUB 3 family of specifications, to represent the EPUB community in the W3C, and to support EPUB 3 content creators and consumers by further advancing, refining, and clarifying the current EPUB 3 specification.

The mission of the GPU for the Web Working Group is to provide an interface between the Web Platform and modern 3D graphics and computation capabilities present on native system platforms.

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

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.

The mission of the Internationalization 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 various different languages, scripts, regions, and cultures.

The mission of the JSON-LD Working Group is to maintain the family of JSON-LD 1.1 Recommendations and related Working Group Notes.

The mission of the Math Working Group is to promote the inclusion of mathematics on the Web so that it is a first class citizen of the web that displays well, is accessible, and is searchable.

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

The mission of the MiniApps Working Group is to produce specifications that facilitate the development of interoperable and robust MiniApps.

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.

The mission of the PNG Working Group is to maintain and develop the Portable Network Graphics (PNG) specification.

The mission of the RDF Dataset Canonicalization and Hash Working Group is to define a standard to uniquely and deterministically calculate a hash of RDF Datasets for use cases such as Detecting changes in Datasets. The work will include defining RDF Dataset Canonicalization algorithms.

The mission of the RDF-star Working Group is to extend a set of RDF and SPARQL related recommendations, with the ability to concisely represent and query statements about statements.

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

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.

The mission of the Spatial Data on the Web Working Group is to: 1) develop and maintain vocabularies and best practices that encourage better sharing of spatial data on the Web; 2) identify areas where standards should be developed jointly by both W3C and the Open Geospatial Consortium (OGC).

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

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.

The mission of the Verifiable Credentials Working Group is to maintain the Verifiable Credentials Data Model specification and related Working Group Notes.

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.

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

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.

The mission of the Web Editing Working Group is to explore limitations in existing browser primitives, provide use cases for new APIs and suggest solutions either by standardizing of existing behaviors or introducing new APIs relevant for text editing. The goal is to facilitate the creation of fully-featured editing systems as well as small editors using JavaScript.

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

The mission of the Web Machine Learning Working Group is to develop APIs for enabling efficient machine learning inference in the browser.

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.

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

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

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 (unless needed for firewall traversal, or for providing intermediary services). APIs enabling supplementary functions, such as recording, image capture, and screen sharing are also in scope.

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.

The mission of the WebTransport Working Group is to develop APIs that enable data transfer between browsers and servers with support for multiple data flows, unidirectional data flows, out-of-order delivery, variable reliability and pluggable protocols.