as a first time firefox user, this has been really good for all the time i had this!

Works like a charm! Most excellent add-on!

best app!

Runs ghostily in the background. Flawless.

Runs in the background flawlessly

This is a very great add-on on that helps me a lot with annoying ads!

GOOD

neat and simple

Allow to block/unblock a specific tracker for a specific site (domain). There is no such flexibility & convenience in other ad-blockers.