Sitestat is the professional version of nedstat free analytics tool. Now owned by comScore.
http://www.nedstat.com/web/nedstatuk.nsf/pages/sitestat_web_analytics
Analytics and Tracking · Audience Measurement
Get access to data on 23,116 websites that are Sitestat Customers. We know of 1,354 live websites using Sitestat and an additional 21,762 sites that used Sitestat historically and 358 websites in the United States.
Get a list of 23,116 websites using Sitestat which includes location information, hosting data, contact details, 1,354 currently live websites and an additional 3,244 domains that redirect to sites in this list. 21,762 sites that used this technology previouslyand 358 websites in the United States currently using Sitestat.
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