Thanks for the info, Carl. This helps clarify what me and some of my fellow developers have been seeing in the Chrome Extension repository. Perhaps this could go in one of the Google Blogs (e.g. the Chrome or Chromium blog)?
On Dec 15, 8:51 pm, Carl Nygaard <[email protected]> wrote: > Google Chrome Extensions Developers, > > Many of you have probably noticed that user counts have fallen across > the gallery. There are a couple of reasons for this: > * The user count is computed based on update requests in the last 7 > days. Many users tried several extensions on the first day then > uninstalled those they didn't use. Their update requests no longer > fall into the 7-day window. > * Because user counts are computed from update requests, they lag a > bit behind installs (Google Chrome checks for extension updates every > 5 hours or so). To avoid install counts larger than the user counts, > we decided to add install counts to the update counts for the first > few days (in retrospect, just using the install count would have been > more accurate). Now that we're a week in, we don't need to do this > trick any more, so we're going back to just update counts. > > Going forward, the stats are computed as follows: > * users: This is the number of users that checked for updates in the > past week. For example if we update the statistics on Wednesday, then > the value you see is the number of users that checked for updates > since 12:00 am PST on the previous Thursday. > * weekly installs: The number of installs performed in the past > week. > > Additional details about the statistics: > * If a user uninstalls an extension before Google Chrome checks for > updates to extensions, then the user will not be included in the > "users" count, although they should still be counted in the "weekly > installs" count. > If the same user performs two installs, they will only be counted > once. > * We currently update the counts once a day, but we're experimenting > with more frequent updates, so you may see the numbers change > throughout the day. > * In the future, we are hoping to give developers access to even > more detailed statistics about their extensions. > > As always, we will continue to tweak our stats processing algorithms > to give you accurate and useful data. Let me know if you have any > questions! > > Thanks, > Carl -- You received this message because you are subscribed to the Google Groups "Chromium-extensions" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/chromium-extensions?hl=en.
