Resources

Accessibility Evaluation Tools

WAVE is a free web accessibility evaluation tool provided by WebAIM. It is used to aid humans in the web accessibility evaluation process. Rather than providing a complex technical report, WAVE shows the original web page with embedded icons and indicators that reveal the accessibility information within your page.

Color Contrast Analyser for Web Pages (for the PC)
A tool for checking foreground & background colour combinations to determine if they provide good color visibility. Determining "color visibility" is based on algorithms suggested by the World Wide Web Consortium.
Colour Contrast Check Tool (Web Based)
This tool allows you to specify a foreground and a background color and determine if they provide enough of a contrast "when viewed by someone having color deficits or when viewed on a black and white screen."
Sim Daltonism (color blindness simulator for Mac OS X)
A color blindness simulator that filters in real-time the area around the mouse pointer and displays the result — as seen by a color blind person — in a floating palette.
Lighthouse International
Examples of different color combinations and how they affect people with partial sight and color deficiencies.

Visit A List Apart to learn about web standards. A List Apart Magazine (ISSN: 1534-0295) explores the design, development, and meaning of web content, with a special focus on web standards and best practices.
Online since May 1995, Jeffrey Zeldman Presents is the personal site of designer, writer, and stunt double Jeffrey Zeldman. Jeffrey Zeldman’s Daily Report is one of the oldest continuously published blogs and a registered periodical: ISSN No. 1534-0309.
Meyerweb.com is the place to go for a collection of cutting-edge CSS-driven design demos, as a way of showing just how far you can take CSS in a browser that fully supports it.
SimpleBits designs and builds simple, usable, and attractive interfaces that account for speed, file size, readability and accessibility — using web standards and is a great to find tips and get inspired.
W3C CSS Validation Service to validate Style Sheets.
Markup Validation Service to validate XHTML.
Web Developer Firefox Toolbar will validate both CSS and XHTML to 508 and W3 standards. It is also very useful when developing because it can disable cookies, javascript and style sheets.
Doctype 101 at A List Apart.
Download an example of an accessible bar graph that was made with tables and styles. Created by Eric Meyer, the CSS Jedi.

"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.
JAWS Keystrokes by Freedom Scientific.

Learn more about the essential components of accessibility that include content, natural information, markup, user agents, assistive technology, user knowledge, authoring tools and evaluation tools.
The WCAG 2.0 guidelines explain how to make Web content accessible to people with disabilities. The guidelines are intended for all Web content developers (page authors and site designers) and for developers of authoring tools.
How People with Disabilities Use the Web, illustrates some of their requirements when using Web sites and Web-based applications, and provides supporting information for the guidelines and technical work of the World Wide Web Consortium's (W3C) Web Accessibility Initiative (WAI).