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 24,897 websites that are Sitestat Customers. We know of 2,691 live websites using Sitestat and an additional 22,206 sites that used Sitestat historically and 739 websites in the United States.
Get a list of 24,897 websites using Sitestat which includes location information, hosting data, contact details, 2,691 currently live websites and an additional 8,901 domains that redirect to sites in this list. 22,206 sites that used this technology previously and 739 websites in the United States currently using Sitestat.
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