This module introduces a model and controls over automatic color adjustment by the user agent to handle user preferences, such as Dark Mode , contrast adjustment, or specific desired color schemes.

   The goal of this specification is to provide guidance and good practices to achieve interoperability across different versions or profiles of RDF.

   This document describes Shapes Constraint Language (SHACL) Rules.

   Web user agents include both web browsers and other intermediaries between end-users and the web.

   This module contains the features of CSS relating to the backgrounds of boxes on the page.

   The W3C Advisory Committee has elected four individuals to the W3C Technical Architecture Group (TAG).

   W3C has published the Authorized Translation in Simplified Chinese of the Verifiable Credentials Data Model v2.0, å é è å è å v2.0.

   The features in this specification extend or modify those found in Pointer Events, a W3C Recommendation that describes events and related interfaces for handling hardware-agnostic pointer input from devices including a mouse, pen, or touchscreen. For compatibility with existing mouse-based content,...

   This document sets out questions for specification authors, reviewers, and implementors of new web platform technologies to answer as part of a critical assessment of the impact of their work.

   This document describes a formal information model and a common representation for a Web of Things (WoT) Thing Description (TD), Version 2.0.

   Confidence Method v1.0 defines a mechanism that can be used with the Verifiable Credentials Data Model v2.0 to increase a verifier’s confidence about a particular subject identified in a verifiable credential. Verifiable Credential Rendering Methods v1.0 describes mechanisms that can be used to...

   The goals of this workshop are to identify stakeholders of Voice Agents standardization to drive the development of Web standards aligned with the real needs of Voice Agents, and to clarify reasonable applications for Voice Agents technologies we agree to build.

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

   This specification defines anchor positioning, where an positioned element can size and position itself relative to one or more anchor elements elsewhere on the page.

   Web Content Accessibility Guidelines (WCAG) 2.2 is now an approved International Organization for Standardization (ISO) standard: ISO IEC 40500:2025.

   This specification defines guidelines that use planetary, people, and prosperity principles (the PPP approach) throughout the decision-making process, allowing users to minimize their environmental impact in various ways.

   This specification defines the concept of environment variables and the env() function, which work similarly to custom properties and the var() function, but are defined globally for a document.

   The Semantic Sensor Network ontology (SSN) describes actuators and their actuations, sensors and their observations, samplers and their samplings, the procedures implemented, the features of interest and samples changed or studied, and the actuated and observed properties.

   This document collects together into one definition all the specs that together form the current state of Cascading Style Sheets (CSS) as of 2025.

   This specification defines a well-known URL which WebAuthn Relying Parties (RPs) can host to make their creation and management endpoints discoverable by WebAuthn clients and authenticators.

   Device Bound Sessions Credentials (DBSC) aims to prevent hijacking via cookie theft by building a protocol and infrastructure that allows a user agent to assert possession of a securely-stored private key.

   Act Rules Format defines a format for writing accessibility test rules that can be used for developing automated testing tools and manual testing methodologies.

   The W3C Membership approved the 2025 W3C Process Document, which documents the organizational structure of W3C and processes, responsibilities and functions that enable W3C to accomplish its mission..