W3C standards and drafts

W3C publishes a range of technical reports (Standards and supporting Notes) which help move the web forward.

Not sure where to start? Search for Standards only, any reports in progress, everything tagged with Accessibility, or all reports.

Advanced filter options

Filter by status

Standards
W3C publishes Recommendations which are considered Web Standards. Standards are normative. They are endorsed by W3C and its Members. Learn about our Standards process.
Supporting Notes
Notes are informative. They give you use cases, practices, and code examples.
Supporting Registries
Registries are informative. They document collections of values or other data.

Filter by tags

Clear all
Showing 308 reports across 112 families, filtered by status (Standards).

WAI-ARIA

ARIA in HTML

Standard
- history
Tags
Accessibility
- history
Tags
Accessibility
Translation for Accessible Rich Internet Applications (WAI-ARIA) 1.2
日本語
- history
Tags
Accessibility
Translation for Accessible Name and Description Computation 1.1
日本語
- history
Tags
Accessibility
Graphics
- history
Tags
Accessibility
Graphics
Translation for WAI-ARIA Graphics Module
日本語
- history
Tags
Accessibility
Translation for Accessible Rich Internet Applications (WAI-ARIA) 1.1
日本語
- history
Tags
Accessibility
- history
Tags
Accessibility
Translation for Digital Publishing WAI-ARIA Module 1.0
日本語
- history
Tags
Accessibility
Translations for Accessible Rich Internet Applications (WAI-ARIA) 1.0
български
magyar
日本語
- history
Tags
Accessibility
- history
Tags
Accessibility
Translation for Role Attribute 1.0
한국어

Accessibility of content

- history
Tags
Accessibility
- history
Tags
Accessibility

EPUB

EPUB 3.3

Standard
- history
Tags
Digital Publishing
- history
Tags
Accessibility
Digital Publishing
- history
Tags
Digital Publishing

WebRTC

Geolocation API

Geolocation

Standard
- history
Tags
Web API

DCAT

WOFF

- history
Tags
Web Fonts
- history
Tags
Web Fonts

CSS Containment

Media Queries

- history
Tags
CSS

RDF

- history
Tags
Data
Deliverers
RDF Working Group
Translations for RDF 1.1 Concepts and Abstract Syntax
français
日本語

RDF 1.1 N-Quads

Standard
- history
Tags
Data
Deliverers
RDF Working Group
Translation for RDF 1.1 N-Quads
日本語
- history
Tags
Data
Deliverers
RDF Working Group
Translation for RDF 1.1 N-Triples
日本語
- history
Tags
Data
Deliverers
RDF Working Group
Translation for RDF 1.1 Semantics
日本語

RDF 1.1 TriG

Standard
- history
Tags
Data
Deliverers
RDF Working Group

RDF 1.1 Turtle

Standard
- history
Tags
Data
Deliverers
RDF Working Group
Translation for RDF 1.1 Turtle
日本語
- history
Tags
Data
Deliverers
RDF Working Group
Translation for RDF 1.1 XML Syntax
日本語

RDF Schema 1.1

Standard
- history
Tags
Data
Deliverers
RDF Working Group
Translations for RDF Schema 1.1
dansk
日本語
português
- history
Tags
Data
Translation for rdf:PlainLiteral: A Datatype for RDF Plain Literals (Second Edition)
日本語

RDF Primer

Standard
- history
Tags
Data
Translations for RDF Primer
français
magyar
日本語
中文(简体)

RDF Semantics

Standard
- history
Tags
Data
Translations for RDF Semantics
français
magyar

RDF Test Cases

Standard
- history
Tags
Data
Translations for RDF Test Cases
français
magyar
- history
Tags
Data
Translations for Resource Description Framework (RDF): Concepts and Abstract Syntax
français
magyar
日本語
русский
中文(简体)
中文(繁體)

TTML

- history
Tags
Media
- history
Tags
Accessibility
CSS
HTML

CSS Box Model

- history
Tags
CSS
Translation for CSS Box Model Module Level 3
العربية

Web of Things

- history
Tags
WoT
- history
Tags
WoT
- history
Tags
WoT
- history
Tags
WoT
Translations for Web of Things (WoT) Architecture
日本語
中文(简体)
- history
Tags
WoT
Translation for Web of Things (WoT) Thing Description
日本語

Web Share API

Web Share API

Standard
- history
Tags
Web API
Translation for Web Share API
português

XML

- history
Tags
XML
Deliverers
Math Working Group
Translation for XML Entity Definitions for Characters (3rd Edition)
日本語
- history
Tags
CSS
XML
Translation for Associating Style Sheets with XML documents 1.0 (Second Edition)
русский
- history
Tags
XML
Translations for Namespaces in XML 1.0 (Third Edition)
日本語
русский
українська
- history
Translations for XML Base (Second Edition)
Deutsch
українська
- history
Tags
XML
Translations for Extensible Markup Language (XML) 1.0 (Fifth Edition)
日本語
svenska
- history
Tags
XML
Translations for Extensible Markup Language (XML) 1.1 (Second Edition)
svenska
Türkçe
- history
Tags
XML
Translations for Namespaces in XML 1.1 (Second Edition)
فارسی
日本語
русский
Türkçe
українська
- history
- history
Tags
XML
Translations for XML Information Set (Second Edition)
español
日本語
polski
русский
Türkçe
中文(简体)

Web Payments

- history
Translation for Payment Method Identifiers
日本語

DID

- history
Tags
Privacy
Security
Translations for Decentralized Identifiers (DIDs) v1.0
日本語
한국어
português (Brasil)
Tagalog
中文(简体)

Verifiable Credentials

- history
Tags
Privacy
Security
Translations for Verifiable Credentials Data Model v1.1
日本語
한국어
Tagalog
中文

CSS Color

- history
Tags
CSS

Distributed Tracing

Trace Context

Standard
- history
Tags
Performance

DOM

DOM

Standard
- history
Tags
DOM
Deliverers
HTML Working Group

Web Audio API

Web Audio API

Standard
- history
Tags
Media
Web API
Deliverers
Audio Working Group

Web Authentication

Xquery & XSLT

- history
Tags
XML
Deliverers
XSLT Working Group
- history
Tags
XML

XQueryX 3.1

Standard
- history
Tags
XML
- history
Tags
XML
- history
Tags
XML

XQueryX 3.0

Standard
- history
Tags
XML
- history
Tags
XML
- history
Tags
XML
Translations for XML Path Language (XPath) Version 1.0
Deutsch
español
日本語
Türkçe
- history
Tags
XML
Deliverers
XSLT Working Group
Translation for XSL Transformations (XSLT) Version 1.0
Türkçe

CSS Cascading and Inheritance

HTML

HTML

Standard
- history
Deliverers
HTML Working Group
- history
Tags
HTML
Media
Web API
Translations for HTML Media Capture
日本語
한국어
русский

XML Events

Standard
- history
Tags
DOM
XML
Translations for XML Events
Deutsch
français
polski

Ruby Annotation

Standard
- history
Tags
HTML
i18n
Translations for Ruby Annotation
Deutsch
français
日本語
polski

Audiobooks

Audiobooks

Standard
- history
Tags
Digital Publishing
Translations for Audiobooks
日本語
中文(繁體)

Web Publications

- history
Tags
Digital Publishing
Translation for Publication Manifest
日本語

JSON-LD

JSON-LD 1.1

Standard
- history
Tags
Data
Translation for JSON-LD 1.1
日本語
- history
Tags
Data
Translation for JSON-LD 1.1 Framing
日本語
- history
Tags
Data

CSS Writing Modes

- history
Tags
CSS
Translation for CSS Writing Modes Level 3
日本語

WebAssembly

- history
Tags
Performance
- history
Tags
Performance
Web API
- history
Tags
Performance

Performance instrumentation

- history
Tags
Performance
Web API
- history
Tags
Performance
Web API
- history
Tags
Performance
Web API
Translations for Performance Timeline
日本語
한국어
- history
Tags
Performance
Web API
Translations for Navigation Timing
français
日本語
русский

Accessibility Conformance Testing

- history
Tags
Accessibility
Translation for Accessibility Conformance Testing (ACT) Rules Format 1.0
日本語

Pointer and Touch Events

Pointer Events

Standard
- history
Tags
Web API
Translation for Pointer Events
日本語

Touch Events

Standard
- history
Tags
Web API

Selectors

- history
Tags
CSS

CSS Fonts

- history
Tags
CSS
i18n
Web Fonts
Translation for CSS Fonts Module Level 3
日本語

CSS Basic User Interface

- history
Tags
CSS
Translation for CSS Basic User Interface Module Level 3 (CSS3 UI)
日本語

EXI

Canonical EXI

Standard
- history
Tags
XML

WebDriver

WebDriver

Standard
- history
Tags
Web API

ODRL

- history
Tags
Data
Translation for ODRL Information Model 2.2
日本語
- history
Tags
Data
Translation for ODRL Vocabulary & Expression 2.2
日本語

Indexed Database API

- history
Tags
Web API
- history
Tags
Web API

Social Web Protocols

ActivityPub

Standard
- history
Translations for ActivityPub
日本語
中文(简体)

WebSub

Standard
- history
- history
Translations for Activity Streams 2.0
日本語
中文(简体)
- history
Translations for Activity Vocabulary
日本語
中文(简体)

Micropub

Standard
- history
- history
Tags
Data
Translation for Linked Data Notifications
日本語

Webmention

Standard
- history
Translation for Webmention
日本語

Semantic Sensor Network

- history
Tags
Data

EME

- history
Tags
HTML
Web API

SHACL

- history
Tags
Data

Web Annotations

- history
Tags
Data
Translation for Web Annotation Data Model
日本語
- history
Tags
Data
Translation for Web Annotation Protocol
日本語
- history
Tags
Data
Translation for Web Annotation Vocabulary
日本語

Data on the Web Best Practices

- history
Tags
Data
Translations for Data on the Web Best Practices
日本語
português (Brasil)

Web Crypto

- history
Tags
Security
Web API

CSP

- history
Tags
Security

MSE

- history
Tags
HTML
Web API

Pointer Lock

Pointer Lock

Standard
- history
Tags
Web API

Subresource Integrity

- history
Tags
Security

Tabular Data

- history
Tags
Data
- history
Tags
Data
- history
Tags
Data

ATAG

- history
Tags
Accessibility
Translation for Authoring Tool Accessibility Guidelines (ATAG) 2.0
中文(简体)
- history
Tags
Accessibility
Translations for Authoring Tool Accessibility Guidelines 1.0
français
italiano
日本語
한국어

SCXML

RDFa

- history
Tags
Data
HTML
Deliverers
RDFa Working Group
Translation for HTML+RDFa 1.1 - Second Edition
日本語
- history
Tags
Data
HTML
Deliverers
RDFa Working Group
Translation for RDFa Core 1.1 - Third Edition
日本語
- history
Tags
Data
HTML
Deliverers
RDFa Working Group
Translations for RDFa Lite 1.1 - Second Edition
français
日本語
- history
Tags
Data
HTML
Deliverers
RDFa Working Group
Translation for XHTML+RDFa 1.1 - Third Edition
日本語

Linked Data Platform

- history
Tags
Data
Translation for Linked Data Platform 1.0
日本語

EmotionML

MathML

- history
Deliverers
Math Working Group
Translation for Mathematical Markup Language (MathML) Version 3.0 2nd Edition
日本語
- history
Tags
CSS
Deliverers
Math Working Group
Translation for A MathML for CSS Profile
日本語

CSS Namespaces

- history
Tags
CSS
Translations for CSS Namespaces Module Level 3
日本語
한국어
polski

Media Resources

- history
Tags
Media
Web API
Translation for Metadata API for Media Resources 1.0
日本語
- history
Tags
Media
Translation for Ontology for Media Resources 1.0
日本語

RDF Vocabulary

- history
Tags
Data
Translations for The Organization Ontology
dansk
日本語
português (Brasil)
- history
Tags
Data
Translation for The RDF Data Cube Vocabulary
日本語

CSS Style Attributes

- history
Tags
CSS
HTML
Translations for CSS Style Attributes
Deutsch
한국어
polski
русский

ITS

- history
Tags
Data
HTML
i18n
Translation for Internationalization Tag Set (ITS) Version 2.0
日本語
- history
Tags
i18n
Translation for Internationalization Tag Set (ITS) Version 1.0
français

PROV

- history
Tags
Data
- history
Tags
Data
- history
Tags
Data
- history
Tags
Data
Translation for PROV-O: The PROV Ontology
日本語

XML Encryption

XML Signature

- history
Tags
XML
- history
Tags
XML
Translations for XML Key Management Specification (XKMS 2.0)
español
français
- history
Tags
XML
Translation for XML Key Management Specification (XKMS 2.0) Bindings
français
- history
Tags
XML
Translation for Decryption Transform for XML Signature
français
- history
Tags
XML
Translation for XML-Signature XPath Filter 2.0
español

SPARQL

- history
Tags
Data
Translation for SPARQL 1.1 Entailment Regimes
Ελληνικά
- history
Tags
Data
Translations for SPARQL 1.1 Federated Query
Ελληνικά
日本語
- history
Tags
Data
Translation for SPARQL 1.1 Graph Store HTTP Protocol
Ελληνικά
- history
Tags
Data
Translations for SPARQL 1.1 Overview
Ελληνικά
日本語
中文(简体)
- history
Tags
Data
Translations for SPARQL 1.1 Protocol
Ελληνικά
日本語
- history
Tags
Data
Translations for SPARQL 1.1 Query Language
Ελληνικά
日本語
- history
Tags
Data
Translations for SPARQL 1.1 Query Results CSV and TSV Formats
Ελληνικά
日本語
- history
Tags
Data
Translations for SPARQL 1.1 Query Results JSON Format
Ελληνικά
日本語
- history
Tags
Data
Translations for SPARQL 1.1 Service Description
Ελληνικά
日本語
- history
Tags
Data
Translations for SPARQL 1.1 Update
Ελληνικά
日本語
- history
Tags
Data
Translations for SPARQL Query Results XML Format (Second Edition)
Ελληνικά
日本語
- history
Tags
Data
Translations for SPARQL Protocol for RDF
فارسی
français
日本語
- history
Tags
Data
Translations for SPARQL Query Language for RDF
español
français
日本語

RIF

- history
Tags
Data

OWL

- history
Tags
Data
Deliverers
OWL Working Group
Translation for OWL 2 Web Ontology Language Document Overview (Second Edition)
日本語
- history
Tags
Data
Deliverers
OWL Working Group
- history
Tags
Data
Deliverers
OWL Working Group
- history
Tags
Data
- history
Tags
Data
Translations for OWL Web Ontology Language Overview
español
français
magyar
日本語
日本語
русский
中文(简体)
中文(繁體)
- history
Tags
Data
Translations for OWL Web Ontology Language Reference
français
magyar
日本語
日本語
中文(简体)
- history
Tags
Data
Translations for OWL Web Ontology Language Semantics and Abstract Syntax
français
magyar
日本語
日本語
日本語
- history
Tags
Data
Translations for OWL Web Ontology Language Test Cases
français
magyar
日本語
- history
Tags
Data
Translations for OWL Web Ontology Language Use Cases and Requirements
français
magyar
日本語
русский

MMI

RDB2RDF

- history
Tags
Data
- history
Tags
Data

Media Fragments

- history
Tags
Media
Translation for Media Fragments URI 1.0 (basic)
日本語

XML Schema

- history
Tags
XML
Translation for XML Schema Part 0: Primer Second Edition
português
- history
Tags
XML
- history
Tags
XML

SOAP

- history
Translation for XML-binary Optimized Packaging
português

Web Services

InkML

SVG

- history
Tags
Graphics
Deliverers
SVG Working Group
Translation for Scalable Vector Graphics (SVG) 1.1 (Second Edition)
日本語
- history
Tags
Graphics
Deliverers
SVG Working Group
- history
Tags
Graphics
Deliverers
SVG Working Group
Translation for Mobile SVG Profiles: SVG Tiny and SVG Basic
Deutsch

CCXML

CSS

- history
Tags
CSS
Translation for Cascading Style Sheets Level 2 Revision 1 (CSS 2.1) Specification
日本語

Mobile Best Practices

- history
Tags
HTML
Translation for Mobile Web Best Practices 1.0
français

SSML

- history
Tags
Media
Translation for Speech Synthesis Markup Language (SSML) Version 1.1
日本語
- history
Tags
Media
Translations for Speech Synthesis Markup Language (SSML) Version 1.0
français
italiano

Web Security UI

XProc

XLink

- history
Tags
XML
- history
Tags
XML
Translations for XML Linking Language (XLink) Version 1.0
Deutsch
français

WebCGM

WebCGM 2.1

Standard
- history
Tags
Graphics

PICS

- history

XForms

XForms 1.1

Standard
- history
Tags
XML
Deliverers
Forms Working Group

POWDER

SKOS

- history
Tags
Data
Translations for SKOS Simple Knowledge Organization System Reference
dansk
français
日本語

SML

EMMA

Device Description

SMIL

SMIL Animation

Standard
- history
Translations for SMIL Animation
français
日本語
- history
Deliverers
SYMM Working Group
Translations for Synchronized Multimedia Integration Language (SMIL) 1.0 Specification
français
italiano
日本語
한국어
中文(繁體)

PLS

- history
Tags
Media
Translation for Pronunciation Lexicon Specification (PLS) Version 1.0
日本語

XML Canonicalization

- history
Tags
XML
- history
Tags
XML
Translation for Exclusive XML Canonicalization Version 1.0
français
- history
Tags
XML

GRDDL

- history
Tags
Data
Deliverers
GRDDL Working Group
Translations for Gleaning Resource Descriptions from Dialects of Languages (GRDDL)
français
日本語

GRDDL Test Cases

Standard
- history
Tags
Data
Deliverers
GRDDL Working Group

Web Services Addressing

- history
Translations for Web Services Addressing 1.0 - Core
español
中文(简体)

Web Services Policy

WSDL

- history
Translation for Web Services Description Language (WSDL) Version 2.0 Part 1: Core Language
français
- history
Translation for Web Services Description Language (WSDL) Version 2.0 Part 2: Adjuncts
français

Voice Browsers

- history
Tags
Media
Translation for Voice Extensible Markup Language (VoiceXML) Version 2.0
français

SISR

XSL

- history
Tags
XML
Deliverers
XSLT Working Group
- history
Tags
XML
Deliverers
XSLT Working Group
Translations for Extensible Stylesheet Language (XSL) Version 1.0
français
日本語

XInclude

QA Framework

Character Model for the World Wide Web

- history
Tags
i18n
Web Fonts
Translations for Character Model for the World Wide Web 1.0: Fundamentals
français
日本語

Web Architecture

- history
Translations for Architecture of the World Wide Web, Volume One
čeština
français
italiano
português (Brasil)

Speech Recognition Grammar

- history
Tags
Media
Translation for Speech Recognition Grammar Specification Version 1.0
français

CC/PP

- history
Tags
Data
Translation for Composite Capability/Preference Profiles (CC/PP): Structure and Vocabularies 1.0
français

PNG

Xpointer

- history
Translation for XPointer element() Scheme
français
- history
Translation for XPointer Framework
français
- history
Translations for XPointer xmlns() Scheme
Deutsch
français

UAAG

- history
Tags
Accessibility
Translation for User Agent Accessibility Guidelines 1.0
français