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Accessibility tools

Accessibility evaluation tools are a handy resource for anyone who wants to ensure that the site they are developing meets established accessibility standards.

It is very important to keep in mind that no evaluation tool has been developed that can completely replace human testing.

WCAG 2.0 Reference

Code validators


Use the browser’s accessibility functions (e.g. text size, zoom, no page style, navigating with the keyboard) to determine whether or not the site responds as expected to those functions.

Accessibility checkers

Single page and document evaluation tools.

Add-ons and toolbars

Extend the capability of Firefox to help you easily find accessibility issues.

Assistive technology

Color analyzers

Readability check


Other resources