How Many Visitors Have Silverlight Installed?
Mon, 2008-04-14 18:30 — mikepotter
I was doing some research the other day to try and find out how many people have Silverlight installed on their machines, and came across this great blog post that describes how to setup your own custom variable in Google Analytics to track how many of your visitors have Silverlight installed.
By the way, the only information I found on the number of installs was data from Microsoft that indicated they had 1.5 million downloads of Silverlight per day. Note that the number of installs is always lower than the number of downloads, and there's no indication if its attempted downloads or successful downloads.
For comparison, Flash Player has about 12 million per day.
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This work is licensed under a Creative Commons Attribution-No Derivative Works 2.5 License.
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Comments
[Trying to repost, a few
[Trying to repost, a few days later....]
That "Silverlight Analytics" post seems similar to the methodology in a "Silverlight Metrics" post from earlier this month:
http://blogs.msdn.com/webnext/archive/2008/03/24/determining-silverlight...
Both use an ActiveX test and a navigator.plugins query. This has historically been an inaccurate measurement. I don't know what today's browsers will do with it. (You've got versioning issues, for instance, and a lot of people who have installed the Microsoft plugin report that they can't view anything with it, and so on.) Sites like Hitbox and W3Schools have used similar methodologies, with divergent results.
The "12 million successfully completed daily installations" number comes directly from a Kevin Lynch interview earlier this year:
http://www.eweek.com/c/a/Application-Development/Adobe-Floating-on-AIR/
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