To try the thousands of add-ons available here, download Mozilla Firefox, a fast, free way to surf the Web!Close
Welcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.Close
Toggle Paint Flashing initial.rev7.1-signed.1-signed Requires Restart
by Jet Villegas
Enables/Disables Layout Paint Flashing for Firefox. This property is useful for diagnosing invalidation issues. Paint Flashing enabled by the "P" button in the lower-right corner.
About this Add-on
Paint Flashing will paint a random color (at 20% opacity) to indicate the “damaged” area of the screen that the browser is repainting. This add-on toggles this preference: