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 50,566 websites Google DoubleClick Conversion Customers. We know of 12,391 live websites using Google DoubleClick Conversion and an additional 38,175 sites that used Google DoubleClick Conversion historically and 7,147 websites in the United States.
Get a list of 50,566 websites using Google DoubleClick Conversion which includes location information, hosting data, contact details, 12,391 currently live websites and an additional 118,027 domains that redirect to sites in this list. 38,175 sites that used this technology previouslyand 7,147 websites in the United States currently using Google DoubleClick Conversion.
Countries
Financial
Group
Region