http://www.checkmycolours.com/
This link is now broken.
about:
CheckMyColours is a tool for checking foreground and background color combinations of all DOM elements and determining if they provide sufficient contrast when viewed by someone having color deficits.
https://addons.mozilla.org/fr/firefox/addon/1158/
This link is now broken.
about:
TAW3 with a click allows to verify, with just a click, the accessibility of the Web sites that you are visiting, by means of the TAW3 online service (www.tawdis.net) and making use of the W3C Web Content Accessibility Guidelines (WCAG 1.0 and WCAG 2.0).
A firefox extension targeted at improving the accessibility of the websites. It includes a captcha reader, high contrast page viewing, link and focus highlighting, etc.
The Massachusetts Commonwealth Chief Technology Strategist Sarah Bourne posted a comment about problems that microformats present for website accessibility.
