CIT 322 Web Usability

Dr. Jakob Nielsen

Guidelines to develop a usable website.

This introduction should help you understand how people with disabilities use the web, the frustrations they feel when they cannot access the web, and what you can do to make your sites more accessible. (Includes videos)

Links on this site include, creating clear communication, usability and accessibility for people with autism, making the Internet accessible for persons of all abilities, web interface design issues and web content accessibility issues.

New Web Accessibility Guidelines at a glance.

Includes many tools to help design accessible content, including readability tester, colour analyzer, etc.

To check contrast ratios for colours. Does not require you to know the hexadecimal colour code.

For a complete list of tools for evaluating accessibility.

Advanced Eyedropper, ColorPicker, Page Zoomer and other colorful goodies...

Remove colors and background images from the page by one click.

With this extension it can be checked the combination of colors to see if it is appropriate for visual perception based on the requirements of the WCAG 1 and WCAG 2.

Creates a text-only version of the current web-page.