# A11yFocus WebExtension A11yFocus is WebExtension embedded in Developer Tools that allows you to debug focus problems when testing a page for accessibility issues. When activated, it will display the focus history with CSS selectors, and animate the focus ring.
A11yFocus is tool for detecting focus resets, testing focus order and debugging screen reader issues with modern web apps.
## Usage To use the WebExtension, open your browser’s Developer Tools, navigate to the A11yFocus tab, and click "Record".
