Accessibility Evaluation Tools

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Analyzers, Add-ons and Extensions

• AcessibilityChecker.org is a free, browser based tool which will evaluate a page for accessibility compliance.
• WAVE tool is browser plugin that will run automatic accessibility evaluations of individual pages.
• Accessibility Insights For Web is a browser plugin that will run automatic accessibility checks of individual pages.
• Siteimprove Browser Extensions is a free, browser based tool which evaluates a page for accessibility compliance.
• Headings Map is a plugin that will bring up a side panel showing all of the headings present on a page, this tool makes it easy to identify heading order and structure.
• taba11y is a Chrome plugin that runs a check on the tab order and provides a visual indication of the tab flow. Manual testing is still important, but this tool is a great way to get a quick overview of the tab order of a page.

These are some of the most popular and easy to use resources, however W3C offers an even more extensive list of tools for accessibility evaluation.

Screen Readers

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• NVDA is a free downloadable screen reader for Windows Operating Systems.
• VoiceOver is a built in screen reader available on all apple devices. It can be enabled by pressing the Command + F5 keys on a Mac.
• iPhone devices have several built in accessibility tools including VoiceOver for screen reading.
• TalkBack is the built in screen reader for Android devices.
• ChromeVox is Google's screen reader that ships with Chrome OS. It is also available as an extension for the Chrome web browser.

Siteimprove offers an excellent video about additional screen reader information, usage and a demo.

Color Content Analyzers

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• WebAIM has an in-browser contrast checker.
• a11y offers another browser based content analyzer, including the option to test an entire page.
• TPGi - we have a dedicated page with a download and instructions for using this tool.
• Colorsafe is a browser based tool that can help you come up with an accessible palette of colors based on the colors you want to use.
• Accessible Color Palette Builder is another browser based tool that can assist in building an accessible color palette.

Document Accessibility

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• SensusAccess is a tool provided by the University that will automatically convert documents of all types into more accessible formats.

Additional Resources

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• WCAG or Web Content Accessibility Guidelines cover a wide range of recommendations for making web content accessible. These guidelines are the go to standard for web based accessibility.
• WebAIM (Web Accessibility In Mind) is a site dedicated to web accessibility and has an abundance of articles, resources and guides to help make web content accessible.
• a11yproject is another excellent site dedicated to website accessibility and features many articles, tools, guides and resources all dedicated to accessibility.
• SiteImprove offers a comprehensive archive of videos dedicated to accessibility topics.

Additional accessibility information, guidelines, tools & resources can be found at our dedicated OIT web page.