{"id":52,"date":"2008-05-30T20:13:47","date_gmt":"2008-05-31T04:13:47","guid":{"rendered":"http:\/\/blog.mozilla.org\/basil\/?p=22"},"modified":"2015-11-02T15:08:00","modified_gmt":"2015-11-02T23:08:00","slug":"rotation-of-featured-add-ons-on-amo","status":"publish","type":"post","link":"https:\/\/blog.mozilla.org\/addons\/2008\/05\/30\/rotation-of-featured-add-ons-on-amo\/","title":{"rendered":"Rotation of Featured Add-Ons on AMO"},"content":{"rendered":"<p>As I&#8217;ve <a href=\"http:\/\/blog.mozilla.org\/basil\/2008\/04\/24\/changes-to-the-featured-recommended-add-ons-on-amo\/\">previously described<\/a>, we&#8217;ll be rotating the featured add-ons on a periodic basis. This evening we rotated out some category-recommended add-ons from the featured list and replaced them with others from the category-recommended list that haven&#8217;t appeared on the front page of AMO yet. Take a look at the <a href=\"https:\/\/addons.mozilla.org\/firefox\/recommended\">latest batch<\/a>. (You&#8217;ll be pleased to hear that more than 95% of the add-ons on this list are Firefox 3 compatible!)<\/p>\n<p>Some of the metrics that I&#8217;ve been looking at attempt to measure add-on effectiveness and performance on the AMO site. For example, how much does having an add-on appear on the featured list help? What does it do from a number of add-ons downloaded perspective? What does it do to the active user count for that add-on?<\/p>\n<p>For add-on downloads, I&#8217;ve been calculating the change in the 7-day moving average (this tends to eliminate day-of-week fluctuations). I compare the value before and after being on the featured list and note the percentage change. You would assume that with more &#8220;exposure&#8221;, the 7-day average for featured add-ons would universally increase across the period. But in fact, it doesn&#8217;t for all add-ons.<\/p>\n<ul>\n<li>Some of the newer add-ons to the AMO site  (low counts to begin with) saw a tremendous increase in download counts, even upwards of 500%.<\/li>\n<li>Some add-ons had barely any change in their downloads, these were mostly &#8220;older&#8221; add-ons with reputations and history where the majority of downloads come from users searching for these add-ons by name. Adding them to the featured list did barely a dent to their download counts.<\/li>\n<li>Some add-ons&#8217; download counts actually headed south after being on the list. I attribute it to either a lack of interest in the functionality, bad description or because having it featured did not affect the overall downward spiral for the add-on.<\/li>\n<\/ul>\n<p>As for changes in active user counts, I looked at the total change in active users before and after the featured period. This is a great metric because it is an indicator of how many users have tried it and still have it installed. It doesn&#8217;t necessarily mean that the users are using it on a daily basis but at least they didn&#8217;t uninstall it. All add-ons on the list had large positive values in absolute terms but what&#8217;s keys is the relative change compared to the existing active user base. Some add-ons saw as little as 3% increase in their active users, others saw 354% increase.<\/p>\n<p>Finally, I looked at a metric to measure likeability or retention (active users\/download). For those users that downloaded the add-on, how many decided to keep it. That ratio ranged from 9.5% to 48.0%.<\/p>\n<p>I hope this provided a little more metric science insight to the building of the featured list. I&#8217;m hoping we can do a similar analysis on the production AMO site to uncover add-ons who are movers-and-shakers and help our broader user base discover cool new add-ons and keep them as loyal Firefox users.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>As I&#8217;ve previously described, we&#8217;ll be rotating the featured add-ons on a periodic basis. This evening we rotated out some category-recommended add-ons from the featured list and replaced them with &hellip; <a class=\"go\" href=\"https:\/\/blog.mozilla.org\/addons\/2008\/05\/30\/rotation-of-featured-add-ons-on-amo\/\">Read more<\/a><\/p>\n","protected":false},"author":24,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[278884,121],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Rotation of Featured Add-Ons on AMO - 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\/2008\/05\/30\/rotation-of-featured-add-ons-on-amo\/\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Mike Morgan\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/blog.mozilla.org\/addons\/2008\/05\/30\/rotation-of-featured-add-ons-on-amo\/\",\"url\":\"https:\/\/blog.mozilla.org\/addons\/2008\/05\/30\/rotation-of-featured-add-ons-on-amo\/\",\"name\":\"Rotation of Featured Add-Ons on AMO - 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