Your feedback matters. Take the W3C 2026 community survey today!
Understand the various specifications, their maturity levels on the web standards track, their adoption, and the groups that develop them.
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.
Make a huge difference to our operations as a public-interest non-profit, and help us to achieve our vision.
Understand our values and principles, learn our history, look into our policies, meet our people.
w3c/dx-dcat
Data Catalog Vocabulary (DCAT)
w3c/dxwg
Website