Google Ad Planner shows the exact audience and demographics of all sites.

AdSense advertisers will soon be able to get a powerful tool for effective targeting. Yesterday, Google announced the start of beta testing of the Ad Planner system (registration is by invitation only), which allows studying the demographic characteristics of the audience of a particular web site.

Unlike the recently updated Google Trends service , the new tool rather accurately shows not the relative, but the absolute audience of each site. Interestingly, the statistics are shown even for those sites that are not part of the AdSense advertising network (you can click on the large screenshot).



Analysts are still wondering where Google takes this information. Do they use their own toolbar and information from the personal profile of each user, or carry out surveillance of users in some other way. But the data source is definitely the same one that is used for the above public Google Trends service.
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All statistics for all sites can be exported to Excel spreadsheet or to DoubleClick MediaVisor for processing and thorough analysis.