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 38 reports across 9 families, filtered by tags (Performance).

WebAssembly

- history
Tags
Performance

WebAssembly Web API

Draft Standard
- history
Tags
Performance
- history
Tags
Performance
- history
Tags
Performance
- history
Tags
Performance
- history
Tags
Performance

Distributed Tracing

Trace Context Level 2

Candidate Standard
- history
Tags
Performance

Trace Context

Standard
- history
Tags
Performance
- history
Tags
Performance

Performance instrumentation

Long Tasks API

Draft Standard
- history
Tags
Performance

Navigation Timing Level 2

Draft Standard
- history
Tags
Performance

Performance Timeline

Candidate Standard
- history
Tags
Performance

Resource Timing

Candidate Standard
- history
Tags
Performance

Performance Timeline

Candidate Standard
- history
Tags
Performance

Largest Contentful Paint

Draft Standard
- history
Tags
Performance

Paint Timing

Draft Standard
- history
Tags
Performance

User Timing Level 3

Candidate Standard
- history
Tags
Performance

Reporting API

Draft Standard
- history
Tags
Performance

User Timing Level 3

Candidate Standard
- history
Tags
Performance

Performance Timeline

Candidate Standard
- history
Tags
Performance

High Resolution Time

Draft Standard
- history
Tags
Performance

Event Timing API

Draft Standard
- history
Tags
Performance

User Timing Level 3

Candidate Standard
- history
Tags
Performance

Server Timing

Draft Standard
- history
Tags
Performance

Performance Timeline

Candidate Standard
- history
Tags
Performance

Performance Timeline

Candidate Standard
- history
Tags
Performance

User Timing Level 3

Candidate Standard
- history
Tags
Performance
- history
Tags
Performance
- history
Tags
Performance
- history
Tags
Performance
- history
Tags
Performance
2 translations for Performance Timeline
日本語
한국어
- history
Tags
Performance
3 translations for Navigation Timing
français
日本語
русский

Network Error Logging

Network Error Logging

Draft Standard
- history
Tags
Performance

Client-Edge-Cloud coordination

Incremental Font Transfer

- history
Tags
Performance

Beacon

Beacon

Candidate Standard
- history
Tags
Performance

Device Memory

Device Memory

Draft Standard
- history
Tags
Performance

Cooperative Scheduling of Background Tasks