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WAI: Strategies, guidelines, resources to make the Web accessible to people with disabilities

WAI Guidelines and Techniques

The guidelines overview pages listed below introduce WAI accessibility guidelines and their related documents, such as:

Web Content Accessibility Guidelines (WCAG) Overview
Addresses the information in a Web site, including text, images, forms, sounds, and such.
Authoring Tool Accessibility Guidelines (ATAG) Overview
Addresses software that creates Web sites.
User Agent Accessibility Guidelines (UAAG) Overview
Addresses Web browsers and media players, and relates to assistive technologies.
Evaluation and Report Language (EARL) Overview
Addresses the expression of Web site evaluation test results in a platform independent format.

See also:

illustration of how the guidelines relate, described at www.w3.org/WAI/ut3/intro/components-desc#guide