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Tota11y: Accessibility toolkit

Inserts the tota11y JS file from Khan Academy into the current tab so that you can visualize how the current page performs with assistive technologies. All the credit goes to Khan Academy for their amazing script.

The tota11y panel will help you visualize how your site performs with assistive technologies by allowing you to look at issues such as Headings, Color contrast, Link text, labels or Image alt tags.

Install
Clicking on the tota11y add-on icon will insert the script on the page and show the icon in the left-hand side (bottom) of the page. Clicking on the bottom-left icon will bring up the accessibility panel. You can toggle on/off each of the modes.