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Web Accessibility Initiative  
 strategies, guidelines, and resources to make the web accessible to people with disabilities

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Guidelines and Techniques

The following overview pages introduce WAI accessibility guidelines and include links to 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.

See also:

Components of Web Accessibility
Shows how Web accessibility depends on several components working together, and how the WAI guidelines (WCAG, ATAG, UAAG) apply.