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

Web Content Accessibility Guidelines (WCAG) 1.0 Documents

WCAG 2.0 was published in December 2008, and is recommended over WCAG 1.0. See Web Content Accessibility Guidelines (WCAG) Overview.

WCAG 1.0 Technical Documents

WCAG 1.0 Educational Documents