CMPT 480/840 Accessible Computing

The Web Accessibility Initiative (WAI)

is a major accessibility activitiy of the World Wide Web Consortium (W3C) which creates standards to support accessibility on the Web, including:

Web Content Accessibility Guidelines (WCAG)

"The WCAG documents explain how to make web content more accessible to people with disabilities. Web "content" generally refers to the information in a web page or web application, including: The current version WCAG 2.0 is very widely referenced in national legislation and regulations and even is published as ISO/IEC 40500.

"WCAG 2.0 is supported by the associated non-normative documents, Understanding WCAG 2.0 and Techniques for WCAG 2.0. Although those documents do not have the formal status that WCAG 2.0 itself has, they provide information important to understanding and implementing WCAG."

WCAG 2.0 is composed of 4 principles:
Each principle is accompanied by a small number of guidelines, which are further elaborated by the  non-normative documents, Understanding WCAG 2.0 and Techniques for WCAG 2.0.

Authoring Tool Accessibility Guidelines (ATAG)

"Authoring tools are software and services that "authors" (web developers, designers, writers, etc.) use to produce web content (static web pages, dynamic web applications, etc.). "

"The Authoring Tool Accessibility Guidelines (ATAG) documents explain how to:

The current version is ATAG 2.0 which is still under review and development.

ATAG 2.0 has two main parts:

 Each principle is accompanied by a small number of guidelines, which are further elaborated by the  non-normative document Implementing ATAG 2.0.

User Agent Accessibility Guidelines (UAAG)

"User agents include Web browsers, media players, and assistive technologies, which are software that some people with disabilities use in interacting with computers."

"The User Agent Accessibility Guidelines (UAAG) documents explain how to make user agents accessible to people with disabilities, particularly to increase accessibility to Web content."
 
The current version is UAAG 1.0. A draft of a new version UAAG 2.0 is also available.

UAAG 1.0 contains 12 guidelines (not organized under higher level principles).

UAAG 2.0 is composed of 5 principles and a number of further guidelines: