This category contains sites from the World Wide Web Consortium (W3C). It includes validation services, recommendations, public drafts, tutorials and guidelines.
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W3C's web content accessibility guidelines checker. Helps ensure that the page is accessible to all regardless of disability.
Reads an HTML or XHTML document and extracts a list of anchors and links. Checks that all the links are dereferenceable, including the fragments and warns about HTTP redirects, including directory redirects.
W3C HTML Validation Service
A free service that checks documents like HTML and XHTML for conformance to W3C Recommendations and other standards.
W3C Jigsaw CSS Validator
Validate your cascading style sheet by URI, with a text area or style sheet source file by upload.
Evaluation, repair, and transformation tools for web content accessibility.
Web Accessibility Initiative
An initiative by the World Wide Web Consortium to advise web content authors, user agent authors and authoring tools authors how to create accessible content and applications.
The World Wide Web Consortium
(W3C) Develops interoperable technologies (specifications, guidelines, software, and tools) to lead the Web to its full potential. A forum for information, commerce, communication, and collective understanding.
This working draft specifies the XHTML 2.0 Markup Language and a variety of XHTML-conforming modules that support that language.
Last update:January 2, 2007 at 17:25:57 UTC