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The HyperText Markup Language (HTML) is the publishing language of the World Wide Web. It is one of the main components of the Open Web Platform. The first version of HTML was described by Tim Berners-Lee in late 1991. The current W3C Recommendation for HTML is HTML 4.01, published in December 1999. There is however intensive work to define its next version, HTML5.

HTML has been traditionally served with text/html mime type. When developing XHTML 1.0, XHTML 1.1, a transition to application/xhtml+xml. A minority of documents (less than 0.003%) are being served with this latter mime type.

See also specifications.

HTML Educational material

HTML Elements

You can help documenting the list of HTML and related elements.

HTML Work History

HTML development has been hosted by a few organizations along its history including CERN, IETF, W3C, … The development has been mainly taken place on mailing-lists.

Media Accessibility Checklist

We are currently asking for review comments on the Media Accessibility Checklist