WEB CONTENT ACCESSIBILITY GUIDELINES WCAG 2 0 i

WEB CONTENT ACCESSIBILITY GUIDELINES (WCAG) 2. 0 i. Accessible. org

Presentation Objectives • Familiarize you with the Web Content Accessibility Guidelines (WCAG 2. 0) 2

Web Accessibility Initiative (WAI) • World Wide Web Consortium (W 3 C) Program • W 3 C Accessibility information found at http: //www. w 3. org/WAI/ 3

Purpose of WCAG 2. 0 Make web content more accessible for people with • • blindness and low vision deafness and hearing loss learning disabilities cognitive limitations limited movement speech difficulties photosensitivity 4

Principles • • Perceivable Operable Understandable Robust 5

Perceivable • Information and user interface components must be presentable to users in ways they can perceive. • It can't be invisible to all of their senses 6

Operable • User interface components and navigation must be operable. • The interface cannot require interaction that a user cannot perform. 7

Understandable • Information and the operation of user interface must be understandable. • The content or operation cannot be beyond their understanding 8

Robust • Content must be robust enough that it can be interpreted reliably by a wide variety of user agents, including assistive technologies. • As technologies and user agents evolve, the content should remain accessible. 9

Principles Shape Guidelines Principles Guidelines 10

Guideline Success Criteria • Success criteria under each guideline help test conformance to the guideline. • 3 levels of conformance – A (lowest), AA, and AAA (highest). 11

You can find the guidelines at http: //www. w 3. org/TR/WCAG 20/ 12