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 23,240 websites that are Sitestat Customers. We know of 1,109 live websites using Sitestat and an additional 22,131 sites that used Sitestat historically and 260 websites in the United States.
Get a list of 23,240 websites using Sitestat which includes location information, hosting data, contact details, 1,109 currently live websites and an additional 4,332 domains that redirect to sites in this list. 22,131 sites that used this technology previouslyand 260 websites in the United States currently using Sitestat.
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