The W3C also recommends that Web accessibility policies reference WCAG 2.0.
This section describes the status of this document at the time of its publication. A list of current W3C publications and the latest revision of this technical report can be found in the W3C technical reports index at
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.
In order to meet the varying needs of this audience, several layers of guidance are provided including overall All of these layers of guidance (principles, guidelines, success criteria, and sufficient and advisory techniques) work together to provide guidance on how to make content more accessible.
Authors are encouraged to view and apply all layers that they are able to, including the advisory techniques, in order to best address the needs of the widest possible range of users.
This document has been produced as part of the W3C Web Accessibility Initiative (WAI).WCAG 2.0 success criteria are written as testable statements that are not technology-specific.Guidance about satisfying the success criteria in specific technologies, as well as general information about interpreting the success criteria, is provided in separate documents.This enhances the functionality and interoperability of the Web.WCAG 2.0 is supported by the associated non-normative documents, Understanding WCAG 2.0 and Techniques for WCAG 2.0.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.