Number 1 extension? Rated 5 out of 5 stars
Adblock Plus is one of the few extensions you'll see recced in most Top 10s because one cannot imagine surfing the Internet without it. It's also one of the few extensions that make Firefox such a good browser. If you haven't installed it yet, what are you waiting for?This review is for a previous version of the add-on (0.7.2.4).