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The Basics

Accessibility in the sense considered here refers to the design of products, devices, services, or environments so as to be usable by people who experience disabilities. The concept of accessible design and practice of accessible development ensures both "direct access" (i.e. unassisted) and "indirect access" meaning compatibility with a person's assistive technology (for example, computer screen readers).

From Accessibility on Wikipedia

Standards and Guidelines

The official standard is the WCAG 2.0 standard by the World Wide Web Consortium (W3C). For resources related to the standard, see WCAG Guidelines.

Authoring Tool Accessibility Guidelines ( ATAG Guidelines) specify additional criteria for authoring tools (things that output HTML). ATAG Guidelines use the WCAG Guidelines as a backbone, so if your new blogging site or social media tool isn't WCAG compliant, it won't be ATAG compliant either.

WAI-ARIA ( ARIA for short) outlines the guidelines for creating accessible rich internet applications.

Getting it done

Accessibility 101: The things you need to get started

Fostering the Culture

Specific topics

Testing tools

Why test with people who have disabilities?

How to test

Accessibility & Mobile Design

Accessibility & Game Design

anne’s Accessibility talks

Related topics

Accessible PDF files

Web Accessibility 101: Screen Magnification & Reflow in Acrobat Reader

Additional Resources