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name: caniuse-docs description: Browser compatibility documentation for web features. Use when checking browser support, feature compatibility, CSS/JS/HTML feature availability, or answering "can I use" questions. Covers 569 web features and 19 browsers with version-specific support data. (project)

CanIUse Documentation Skill

Browser compatibility reference for web technologies. Query feature support across Chrome, Firefox, Safari, Edge, and mobile browsers.

Resource Location

All documentation is in: Resources/CanIUse/docs/

Read files from this directory to answer compatibility questions. Do NOT load all files at once - read specific files as needed.

How to Look Up Information

Feature Lookup

CopyRead Resources/CanIUse/docs/features/{feature-name}.md

Examples:

• Resources/CanIUse/docs/features/flexbox.md
• Resources/CanIUse/docs/features/css-grid.md
• Resources/CanIUse/docs/features/fetch.md

Browser Lookup

CopyRead Resources/CanIUse/docs/browsers/{browser-id}.md

Browser IDs: chrome, firefox, safari, edge, opera, ie, ios_saf, and_chr, samsung

Browse All Features

CopyRead Resources/CanIUse/docs/features/index.md

Browse All Browsers

CopyRead Resources/CanIUse/docs/browsers/index.md

Browser Support Codes

Quick Reference

See QUICK-REFERENCE.md for common features and polyfill recommendations.

Example Queries

"Can I use CSS Grid in Safari?" → Read Resources/CanIUse/docs/features/css-grid.md

"What ES6 features work in IE11?" → Read Resources/CanIUse/docs/browsers/ie.md

"When did Chrome add WebGL2?" → Read Resources/CanIUse/docs/features/webgl2.md