W3C Web Accessibility Initiative


This page contains material related to a presentation at the Web Accessibility Best Practices Evaluation Training in Sankt Augustin, Germany on 25 October, 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 Text Equivalents

Jon Dodd, Bunnyfoot

Last updated: 1 November 2005

Text = Flexibility

Text Equivalents

Text equivalents are vital for accessibility

Text Equivalent

Types of text equivalent

Problems for different people

Related checkpoints

Evaluation methods automated checks

Detect graphics + presence/absence of alt

Evaluation methods manual checks

Evaluation methods not just graphics