You may find the following resources, provided by third-parties, useful. You can see the full list below, or check out the topic-specific lists:
EduStyle lets users rate and comment on higher education websites. They also hold the annual HighEdWeb conference. Besides galleries of website designs, they have resources, publications, and many useful blog posts.
The official source of information for Drupal theming. Includes theming guides for Drupal 5, 6, and 7, as well as Video how-tos, resources, and much more.
Text must have a high contrast with its background color for people to comfortably read it. This is one of many tools that allows you to test color combinations and see if there is sufficient contrast between the two colors.
"Your guide to developing usable & useful websites." This site includes eary-to-understand introductions to usability as well as guidelines, articles, and more.
The official resource for the US government covering "508 compliance." Section 508 of the Rehabilitation Act of 1973 covers website usability standards.
One of the premier, online accessilibity resources. WebAIM includes checklists for accessibility, videos and resources, as well as tools to evaluate websites' accesibility.
"Introduction to the Screen Reader" with Neal Ewers of the Trace Research Center is a short 6 minute video demonstrating how screen readers assist people who are blind navigate the web, access the electronic page, and more.
"Screen Readers and the Web" features Neal Ewers, of the Trace Research Center, and looks at some relatively easy things you can do that go a long way toward making your web pages accessible to a wide variety of users and technologies.
Part 3 gives an excellent explanation of why it is important to use header styles.
Amherst College reader friendly directions for making pages accessible.
