Web Content Accessibility Guidelines - WCAG 2.0

Web Content Accessibility Guidelines (WCAG) 2.0 has defines how to make Web content more accessible to people with disabilities. It is an upgraded version of WCAG 1.0. WCAG 2.0 guidelines helps resolving various disabilities, including visual, auditory, physical, speech, cognitive, language, learning, and neurological disabilities.

Wcag 2.0 & Technologies

WCAG 2.0 is designed to apply to a broad range of technologies including Javascript/Ajax, Flash, PDF.

Four Principles of WCAG 2.0

Principle 1: Perceivable

Perceivable - Information and user interface components must be presentable to users in ways they can perceive.

Principle 2: Operable

User interface components and navigation must be operable

Principle 3: Understandable

Information and the operation of user interface must be understandable.

Principle 4: Robust

Content must be robust enough that it can be interpreted reliably by a wide variety of user agents, including assistive technologies.

Tool for wcag 2.0: www.deque.com