MDN web platform documentation

A starting point for web platform references and guides covering HTML, CSS, JavaScript, HTTP, accessibility, media, browser APIs and developer tools.

Technology · Guide · Source reviewed

Original source

MDN contributors — original source

Provenance

Collected: 2026-10-02. Reviewed: 2026-10-02.

Reviewed the documentation index. Individual linked specifications and APIs have their own status and compatibility information.

Reuse

Original editorial summary. MDN text and code have different licensing requirements; consult MDN's current licensing documentation.