Adblock Plus is a Firefox add-on that blocks advertisement, and sometimes other elements, on websites. It supports black- and whitelists and is very flexible. One thing that is missing is an option to generally whitelist all bookmarks.
Some users might prefer do whitelist websites on a per-site basis and that is perfectly reasonable. Others prefer [...]

>>Permalink

Adblock Plus is probably one of the most popular Firefox extensions of all time. It blocks almost any advertisement on the Internet and is highly effective. Users can add filters to Adblock Plus that whitelist those websites which means that ads on those websites will be shown. This is excellent for webmasters who want to make sure that their websites are displaying the correct ads and visitors who want to give something back to a website that they really like.

>>Permalink