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W3C_annual_most_used_survey_blocklist
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This is a minimial blocklist based on surveys on most used webtechnology related to advertising and tracking in Western Europe and North
America. Although title is Top500, it are actually a over 500 analysis, advertising, tagmanagement and tracking servers (domains), because
new players mentioned in advertising websites which were also mentioned on Google's Ad technology list were added also.
The blocklist based on surveys on most used webtechnology related to advertising and tracking. The list come in two versions. The top 500 has a
a cut-off point of 1% in Alexa's top 300.000 and the top 2500 a 1% cut-off point in the top 1000.000 of Alexa.
WHY USE A MINIMAL BLOCKLIST?
In advertising the number one (Google) has a marketshare of around 40 percent, Facebook the number two hits the 20 percent mark while the