DoubleClick conversion tracking from Google Global Site Tag.
https://support.google.com/adwords/answer/6095821#get_tag
Analytics and Tracking · Advertiser Tracking · Conversion Tracking
Get access to data on 54,300 websites that are Google DoubleClick Conversion Customers. We know of 13,078 live websites using Google DoubleClick Conversion and an additional 41,222 sites that used Google DoubleClick Conversion historically and 7,525 websites in the United States.
Get a list of 54,300 websites using Google DoubleClick Conversion which includes location information, hosting data, contact details, 13,078 currently live websites and an additional 136,609 domains that redirect to sites in this list. 41,222 sites that used this technology previouslyand 7,525 websites in the United States currently using Google DoubleClick Conversion.
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