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 54,322 websites that are Google DoubleClick Conversion Customers. We know of 12,402 live websites using Google DoubleClick Conversion and an additional 41,920 sites that used Google DoubleClick Conversion historically and 7,087 websites in the United States.
Get a list of 54,322 websites using Google DoubleClick Conversion which includes location information, hosting data, contact details, 12,402 currently live websites and an additional 121,319 domains that redirect to sites in this list. 41,920 sites that used this technology previouslyand 7,087 websites in the United States currently using Google DoubleClick Conversion.
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