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W3C Markup Validation Service

W3C Markup Validation Service

Checks the markup validity of Web documents in HTML, XHTML, SMIL, MathML, etc.

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W3C Working Draft

W3C Working Draft

A vocabulary and associated APIs for HTML and XHTML

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Web Font Gallery

Web Font Gallery

A little gallery showcasing creative demos of web fonts combined with the possibilities of CSS 3

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webslide.me

webslide.me

webslide.me is a free HTML5 and CSS3 presentation framework

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WebSocket.org

WebSocket.org

A WebSocket Community

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WHATWG HTML Living Standard

WHATWG HTML Living Standard

WHATWG HTML multiple-page specification

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