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This page contains material related to a presentation at the Web Accessibility Best Practices Evaluation Training in Lisbon, Portugal on 5 July, 2005, as part of the WAI-TIES Project (WAI - Training, Implementation, Education, Support). It is not intended to stand-alone; rather, it is primarily provided as reference material for participants in the training.
Scope of Training and Materials: This one-day training focused
on select topics that were particularly suited to the circumstances of this
specific training session. It did not to cover all aspects of evaluating Web
accessibility, and did not cover all Web Content Accessibility Guidelines (WCAG)
1.0 checkpoints.
No Endorsement or Recommendation of Evaluation Tools: W3C/WAI does not endorse Web accessibility evaluation tools and does not recommend one tool over another. Some tools were listed, demonstrated, and used in activities in this training. Mention of a specific tool does not imply endorsement nor recommendation. WAI does provide a comprehensive list of Evaluation, Repair, and Transformation Tools for Web Content Accessibility.
Evaluating Navigation
Shawn Lawton Henry, W3C WAI
Last updated: 12 July 2005
Navigation Topics
- Markup Structure
- Text as text
- Frames
- Links
Activity/Demo: Page without structure markup
Types of Problems
- Structure not properly marked up
-
Structure markup used for presentation
WCAG 1.0 Checkpoints
- 3.5 Use header elements to convey document structure and use them according to specification (Priority 2)
- 3.6 Mark up lists and list items properly (Priority 2)
- <ul>, <ol>, <dl>, <li>, </li>…
Assistive Technology (AT) Demo
- Home Page Reader
(HPR)
- Read > Headings Reading Mode [Alt+1]
Tool Demo
- WAVE
- <h1> <h2> …
- <ol> <ul> <dl>
Text as Text
- WCAG 1.0 Checkpoint 3.1 When an appropriate markup language exists, use markup rather than images to convey information (Priority 2)
3.1 Evaluation Techniques & Tools
- Browser
-
Demo Opera: Turn off images
- Demo browser: Change text colors
Frames WCAG 1.0 Checkpoints
- 12.1 Title each frame to facilitate frame identification and navigation
-
12.2 Describe the purpose of frames and how frames relate to each other if it is not obvious by frame titles alone
Evaluating Frames
- Lynx to see frames names and noframes
- Add-on toolbar to look at frame titles
Link Text
- WCAG 1.0 Checkpoint 13.1.Clearly identify the target of each link
- Demos:
- Bad example
- Links list
- HPR (Ctrl - L)
- Opera (Ctrl - J)