Other honorable mentions include Firefox's Facebook Container extension and Ghostery, both of which boast over one million daily active users on average. Adblock Plus took the mantle as the most popular extension with an average of slightly over six million daily users, followed by uBlock Origin, which had an average daily user count of five million.Īnother exciting observation is that 60 percent of Russian Firefox users have installed an add-on.įrom Firefox's top extensions, an online privacy theme is constant. Somewhat surprisingly, the two most popular extensions for 2021 were both ad blockers. Managers By Nicole LaMarco Updated AugHave you heard of the AdBlock Mozilla extension Its an extension on Mozilla Firefox that blocks malware and tracking software and. That's to be expected since extensions add extra functionality to the browser. Extensions were the most popular, with over 109 million installs. AdBlock is used by more than 1 million Firefox users to block ads in Firefox, improve page load speed, and help protect their privacy. In a blog post, Mozilla said that about a third of all Firefox users have an add-on installed, including themes and extensions.Īccording to numbers shared by the company, there were around 127 million add-on installs. AdBlock for Firefox is an ad blocking add-on (or browser extension), which means it blocks Firefox ads and prevents advertisers from tracking you across the web.

Mozilla has announced the most popular add-ons in Firefox. Create a tracker-free zone with Content Blocking. Use it to block ads on Facebook, YouTube and Hulu. On Firefox, you can use Privacy or Content Blocking settings to get even more control over ad trackers that serve you the ads. Firefox's Most Popular Extensions in 2021 One of the most popular ad blockers for Chrome, Safari and Firefox is AdBlock. One of the most popular ad blockers for Chrome, Safari and Firefox is AdBlock.

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