Understand the various specifications, their maturity levels on the web standards track, and their adoption.
A variety of groups develop Web Standards, guidelines, or supporting materials.
W3C works at the nexus of core technology, industry needs, and societal needs.
Master Web fundamentals, use our developer tools, or contribute code.
Recent content across news, blogs, press releases, media; upcoming events.
Understand our values and principles, learn our history, look into our policies, meet our people.
Shared workspace for EPUB 3 specifications.
w3c/epub-specs
w3c/epub-structural-tests
Website
Test repository for EPUB3, maintained by the EPUB3 WG
w3c/epub-tests
Translations of the EPUB 3 documents
w3c/epub-translations
Home page of the EPUB 3 Working Group
w3c/epub-wg