NerdeFocus

Quickly debug focus problems when testing a page for accessibility issues./r/nWhen activated, NerdeFocus displays the focus history with CSS selectors, and overlays an easy-to-follow focus indicator on the page.

NerdeFocus is great for detecting focus resets, testing keyboard focus, and debugging screen reader issues in modern web apps.

To use the extension, open your browser’s Developer Tools, navigate to the NerdeFocus tab, and click "Record".

NerdeFocus is a free and Open-source project.