WAVE extension (browser extension)
WAVE extension is a web browser extension that helps you identify and evaluate web content accessibility issues directly in your browser. WAVE is a web accessibility evaluation tool for authors. It can identify accessibility and Web Content Accessibility Guideline (WCAG) errors. It provides visual feedback about the accessibility of your web content. Each flagged item has descriptions about the item and how to fix it if that’s an error or alert. You can learn web accessibility while making your page more accessible. It’s more friendly to non-technical authors and accessibility beginners. Read more information in the WAVE Guide and on the WAVE Help page.
For Mass.gov CMS users, Editoria11y is more convenient since it has already evaluated your page as you open the page.
ANDI bookmarklet (browser bookmarklet)
ANDI bookmarklet is an accessibility and Section 508 compliance testing tool. Users can optimize the tool when they have basic accessibility knowledge. If you’re new to accessibility, it’s better to use WAVE first and get yourself familiar with accessibility.
Read the ANDI tutorial for more information on using this tool.
Color contrast checker (website tool and bookmarklet)
The WebAIM color contrast checker shows you the color codes and contrast ratio for different text and background color combinations. It also checks the contrast ratio for two given hex color codes. You can use it to check color contrast for text against its background and graphic elements (border, outline, and shapes like icons or button backgrounds) against their backgrounds.
WebAIM also has a Contrast Checker Bookmarklet you can use directly on a web page.
Editoria11y (content management system tool)
Editoria11y content checker accessibility tool is an accessibility content checker tool that visually flags accessibility issues on your page. It describes the issues and how to fix them one by one as authors navigate them. Editoria11y needs to be installed on your CMS. It’s available in the Mass.gov CMS.
Easy Checks (information resource)
W3C WAI Easy Checks provides introductory information about how to check a web page for accessibility. It’s organized by page component. If you are new to accessibility, this is a great place to start learning about it.
Keyboard testing (information resource)
Keyboard testing and additional testing information outlines way to determine if a website is keyboard compatible for users who don't have or can't use a mouse. (Offered by the Massachusetts Office on Disability)