You can block advertisements using the Mozilla Firefox Web browser with the installation of a few extensions. Adblock Plus is the best known of these extensions and with a few mouse clicks, you can subscribe to a block filter that blocks virtually all advertisements. FlashBlock and NoScript are two other extensions that go a step further, ensuring that fly-over advertisements, pop-ups and other more customized advertisements never appear without your permission. <br /> <br />Blocks annoying video ads on YouTube, Facebook ads, banners and much more. <br />Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable). <br /> <br />How,to,Block,Stop,Adsense,Advertise,Ads,Firefox,AdBlock,Plus, How to Block Ads in Firefox with AdBlock Plus <br />how to block ads in mozilla firefox using adblock plus <br /> <br />How to Block Ads in Firefox with AdBlock Plus