This document defines an API that web page authors can use to detect presence of long animation frames that monopolize the UI thread for extended...

   CBOR is a compact binary data serialization and messaging format. This specification defines CBOR-LD 1.0, a CBOR-based format to serialize Linked...

   A workshop to examine broad and specific aspects since ODRL became a W3C Recommendation in 2018 and gained robust recognition and adoption.

   The Linked Web Storage Working Group has published four First Public Working Drafts for the Linked Web Storage (LWS) 1.0 Authentication Suite.

   The Verifiable Credentials Working Group has published the following five First Public Working Drafts: Verifiable Credential Data Integrity 1.1, Data...

   This CSS module proposes facilities to control the rendering of animated images.

   This specification describes the extensible data model for verifiable credentials, how they can be secured from tampering, and a three-party...

   This specification defines a text-only profile of [ttml2] intended for subtitle and caption delivery applications worldwide.

   The RDF & SPARQL Working Group invites implementations of the following two Candidate Recommendation Snapshots: RDF 1.2 Concepts and Abstract Data...

   This specification defines the authoring rules (author conformance requirements) for the use of Accessible Rich Internet Applications (WAI-ARIA) 1.2...

   W3C is pleased to announce the report from the W3C Workshop on Smart Voice Agents, held online in February 2026.

   The Linked Web Storage Protocol specification aims to provide applications with secure and permissioned access to externally stored data in an...

   Geolocation provides access to geographical location information associated with the hosting device.

   The Advisory Board has published Use of Large Language Models in Standards Work as a Group Note.

   Geolocation provides access to geographical location information associated with the hosting device.

   This document specifies the DID syntax, a common data model, core properties, serialized representations, DID operations, and an explanation of the...

   This document defines YAML-LD as a set of conventions on top of YAML which specify how to serialize Linked Data as YAML based on JSON-LD syntax,...

   CSS snapshots are all the specs that together form the current state of Cascading Style Sheets (CSS).

   The Publishing Maintenance Working Group published three documents around EPUB Annotations, which is a specification that will define how to create,...

   Selectors are patterns that match against elements in a tree, and as such form one of several technologies that can be used to select nodes in a...

   Heather Flanagan of W3C Member Spherical Cow Consulting is appointed as new TAG member by the W3C Team

   The purpose of this document is to provide a high level understanding of the trade-offs that are required when designing and deploying differentially...

   Brian Kardell of W3C Member Igalia is appointed as new TAG member by the W3C Team

   ACT Rules Format defines a format for writing accessibility test rules.

   This set of modules looks at different Web technologies and provides a detailed analysis of accessibility issues for people with disabilities that...