For an introduction to WCAG, see the Web Content Accessibility Guidelines (WCAG) Overview.Web accessibility depends not only on accessible content but also on accessible Web browsers and other user agents.

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Please refer to the errata for this document, which may include normative corrections. This document is also available in non-normative formats, available from Alternate Versions of Web Content Accessibility Guidelines 2.0.

Copyright © 2008 Web Content Accessibility Guidelines (WCAG) 2.0 covers a wide range of recommendations for making Web content more accessible.

WCAG 2.0 succeeds Web Content Accessibility Guidelines 1.0 [WCAG10], which was published as a W3C Recommendation May 1999.

Although it is possible to conform either to WCAG 1.0 or to WCAG 2.0 (or both), the W3C recommends that new and updated content use WCAG 2.0.

Although those documents do not have the formal status that WCAG 2.0 itself has, they provide information important to understanding and implementing WCAG.

The Working Group requests that any comments be made using the provided online comment form.Comments received on the WCAG 2.0 Recommendation cannot result in changes to this version of the guidelines, but may be addressed in errata or future versions of WCAG.The Working Group does not plan to make formal responses to comments.The goals of the WCAG Working Group are discussed in the WCAG Working Group charter.The WCAG Working Group is part of the WAI Technical Activity.Following these guidelines will make content accessible to a wider range of people with disabilities, including blindness and low vision, deafness and hearing loss, learning disabilities, cognitive limitations, limited movement, speech disabilities, photosensitivity and combinations of these.