{"id":2626,"date":"2011-06-21T06:59:04","date_gmt":"2011-06-21T13:59:04","guid":{"rendered":"http:\/\/blog.mozilla.org\/addons\/?p=2626"},"modified":"2011-06-21T06:59:04","modified_gmt":"2011-06-21T13:59:04","slug":"firefox-4-add-on-users","status":"publish","type":"post","link":"https:\/\/blog.mozilla.org\/addons\/2011\/06\/21\/firefox-4-add-on-users\/","title":{"rendered":"How many Firefox users have add-ons installed? 85%!"},"content":{"rendered":"<p>The revamped Add-ons Manager in Firefox 4 provides a rich experience for add-on discovery and management, and to power that service Mozilla receives <a href=\"http:\/\/blog.mozilla.org\/addons\/2011\/02\/10\/add-on-metadata-start-up-time\/\">aggregate data<\/a> on add-on usage. We <a href=\"http:\/\/blog.mozilla.org\/addons\/2009\/08\/11\/how-many-firefox-users-use-add-ons\/\">previously estimated<\/a> that at least a third of Firefox users had chosen to install an add-on, but knew the number was higher than that.<\/p>\n<p>We&#8217;re very excited to report that <strong>85% of Firefox 4 users have chosen to install an add-on<\/strong> &mdash; that&#8217;s more than 60 million users every day! This number doesn&#8217;t include Personas, and even excludes popular add-ons bundled with other software that the user hasn&#8217;t actively agreed to install.<\/p>\n<p style=\"text-align: center;\"><img decoding=\"async\" src=\"http:\/\/blog.mozilla.org\/addons\/files\/2011\/06\/addonusage.png\" alt=\"Graph of add-on usage\"\/><cite style=\"font-size:10px;\">Firefox 4 desktop add-on usage from March 22 through June 19, 2011, excluding Personas and several commonly-bundled add-ons<\/cite><\/p>\n<p>When we first saw this number, we expected it to drop as more and more users upgraded to Firefox 4; remarkably, it has stayed between 89% and 85% since launch in March. It&#8217;s also interesting to note that on the weekends when Firefox (and Internet) usage slumps, the percentage of users with add-ons increases, indicating those who browse on weekends are more likely to have customized Firefox.<\/p>\n<p>We&#8217;ve also learned that <strong>on average, users have 5 add-ons installed<\/strong>, with the following distribution:<\/p>\n<p style=\"text-align: center;\"><img decoding=\"async\" src=\"http:\/\/blog.mozilla.org\/addons\/files\/2011\/06\/addondistro.png\" alt=\"Graph of add-on distribution\"\/><cite style=\"font-size:10px;\">Firefox 4 desktop add-on distribution from June 19, 2011, excluding Personas and several commonly-bundled add-ons<\/cite><\/p>\n<p>With more than 2.5 billion downloads and 580 million add-ons in use every day in Firefox 4 alone, there&#8217;s no better time to <a href=\"https:\/\/addons.mozilla.org\">browse our gallery<\/a> and make Firefox your own.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The revamped Add-ons Manager in Firefox 4 provides a rich experience for add-on discovery and management, and to power that service Mozilla receives aggregate data on add-on usage. We previously &hellip; <a class=\"go\" href=\"https:\/\/blog.mozilla.org\/addons\/2011\/06\/21\/firefox-4-add-on-users\/\">Read more<\/a><\/p>\n","protected":false},"author":28,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[121],"tags":[577],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How many Firefox users have add-ons installed? 85%! - Mozilla Add-ons Community Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blog.mozilla.org\/addons\/2011\/06\/21\/firefox-4-add-on-users\/\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/blog.mozilla.org\/addons\/2011\/06\/21\/firefox-4-add-on-users\/\",\"url\":\"https:\/\/blog.mozilla.org\/addons\/2011\/06\/21\/firefox-4-add-on-users\/\",\"name\":\"How many Firefox users have add-ons installed? 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