A set of tests to try an identify if a user is running a particular Firefox plugin, specifically those relating to blocking script execution, flash and adverts
Disable flash elements by default, but allows whitelisting/one off loading.
Blocks ads based on various regex and heuristic rules, allows users to mark elments as ads to be blocked. Very popular, has ~50,000,000 downloads.
Enabled? This is a heuristic test, it's not possible to directly (as ABP tends to hide it's presence)