W3C standards and drafts

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

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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.

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Showing 84 reports across 60 families, filtered by status (Candidate Standards).

Verifiable Credentials

- history
Tags
Privacy
Security
- history
Tags
Privacy
Security
- history
Tags
Privacy
Security
- history
Tags
Privacy
Security
- history
Tags
Privacy
Security

Media Capture

Media Capture and Streams

Candidate Standard
- history
Tags
Media
Web API

Sensor API

Generic Sensor API

Candidate Standard
- history
Tags
Web API

Accelerometer

Candidate Standard
- history
Tags
Web API

Gyroscope

Candidate Standard
- history
Tags
Web API

Web Neural Network API

Web Neural Network API

Candidate Standard
- history
Tags
Web API

Performance instrumentation

Performance Timeline

Candidate Standard
- history
Tags
Performance
Web API

Performance Timeline

Candidate Standard
- history
Tags
Performance
Web API

User Timing Level 3

Candidate Standard
- history
Tags
Performance
Web API

User Timing Level 3

Candidate Standard
- history
Tags
Performance
Web API

Performance Timeline

Candidate Standard
- history
Tags
Performance
Web API

User Timing Level 3

Candidate Standard
- history
Tags
Performance
Web API

Performance Timeline

Candidate Standard
- history
Tags
Performance
Web API

Performance Timeline

Candidate Standard
- history
Tags
Performance
Web API

User Timing Level 3

Candidate Standard
- history
Tags
Performance
Web API

CSS Color

CSS Color Module Level 4

Candidate Standard
- history
Tags
CSS

WebXR

WebXR Device API

Candidate Standard
- history
Tags
Graphics
Web API
- history
Tags
Graphics
Web API

WebRTC

- history
Tags
Media
Web API

WebRTC Priority Control API

Candidate Standard
- history
Tags
Media
Web API

Identity for WebRTC 1.0

Candidate Standard
- history

DCAT

- history
Tags
Data

TTML

IMSC Hypothetical Render Model

Candidate Standard
- history
Tags
Media
- history
Tags
Accessibility
CSS
HTML

CSS Backgrounds and Borders

- history
Tags
CSS

CSS Images

CSS Images Module Level 3

Candidate Standard
- history
Tags
CSS

Web Payments

Secure Payment Confirmation

Candidate Standard
- history
Tags
Web API

RDF

RDF Dataset Canonicalization

Candidate Standard
- history
Tags
Data

Secure Contexts

Secure Contexts

Candidate Standard
- history
Tags
Security

WAI-ARIA

- history
Tags
Accessibility

Multi-screen support

Presentation API

Candidate Standard
- history
Tags
Web API

Remote Playback API

Candidate Standard
- history
Tags
Web API

PNG

CSS View Transitions

- history
Tags
Browser
CSS

CSS Text

CSS Text Module Level 3

Candidate Standard
- history
Tags
CSS
i18n

Audio Output Devices API

Audio Output Devices API

Candidate Standard
- history
Tags
Media
Web API

UI Events

- history
Tags
DOM
Web API
- history
Tags
DOM
Web API

Distributed Tracing

Trace Context Level 2

Candidate Standard
- history
Tags
Performance

CSS Display

CSS Display Module Level 3

Candidate Standard
- history
Tags
CSS

Mixed Content

Mixed Content

Candidate Standard
- history
Tags
Security

Upgrade Insecure Requests

Candidate Standard
- history
Tags
Security

CSS Speech

CSS Speech Module Level 1

Candidate Standard
- history
Tags
CSS
Media

CSS Easing Functions

CSS Easing Functions Level 1

Candidate Standard
- history
Tags
CSS

WAI-Adapt module

WAI-Adapt: Symbols Module

Candidate Standard
- history
Tags
Accessibility

CSS Values and Units

- history
Tags
CSS

CSS Shapes

CSS Shapes Module Level 1

Candidate Standard
- history
Tags
CSS

Time Ontology

Time Ontology in OWL

Candidate Standard
- history
Tags
Data

Web Share API

Web Share API

Candidate Standard
- history
Tags
Web API

Beacon

Beacon

Candidate Standard
- history
Tags
Performance

Service Workers

Service Workers

Candidate Standard
- history
Tags
Web API

CSS Custom Properties for Cascading Variables

CSS Color Adjustment

- history
Tags
CSS

CSS Text Decoration

- history
Tags
CSS

CSS Will Change

CSS Will Change Module Level 1

Candidate Standard
- history
Tags
CSS

CSS Conditional Rules

- history
Tags
CSS
- history
Tags
CSS

CSS Cascading and Inheritance

- history
Tags
CSS
- history
Tags
CSS

Media Queries

Media Queries Level 4

Candidate Standard
- history
Tags
CSS

CSS Syntax

CSS Syntax Module Level 3

Candidate Standard
- history
Tags
CSS

CSS Painting API

CSS Painting API Level 1

Candidate Standard
- history
Tags
CSS

CSS Scrollbars

- history
Tags
CSS

CSS Multi-column Layout

- history
Tags
CSS

CSS Masking

CSS Masking Module Level 1

Candidate Standard
- history
Tags
CSS
Graphics

CSS Counter Styles

CSS Counter Styles Level 3

Candidate Standard
- history
Tags
CSS

CSS Scroll Snap

CSS Scroll Snap Module Level 1

Candidate Standard
- history
Tags
CSS

CSS Grid Layout

CSS Grid Layout Module Level 1

Candidate Standard
- history
Tags
CSS

CSS Grid Layout Module Level 2

Candidate Standard
- history
Tags
CSS

CSS Writing Modes

CSS Writing Modes Level 4

Candidate Standard
- history
Tags
CSS

WebVTT

- history
Tags
CSS
Graphics
HTML

CSS Transforms

CSS Transforms Module Level 1

Candidate Standard
- history
Tags
CSS

CSS Fragmentation

- history
Tags
CSS

Geometry Interfaces

- history
Tags
CSS
Graphics

CSS Flexible Box Layout

- history
Tags
CSS

SVG

- history
Tags
Graphics
Deliverers
SVG Working Group

Referrer Policy

Referrer Policy

Candidate Standard
- history
Tags
Security

Compositing and Blending

- history
Tags
CSS
Graphics

XML Schema

XForms

XForms 1.0 Basic Profile

Candidate Standard
- history
Tags
XML
Deliverers
Forms Working Group