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 49,727 websites that are Google DoubleClick Conversion Customers. We know of 16,524 live websites using Google DoubleClick Conversion and an additional 33,203 sites that used Google DoubleClick Conversion historically and 9,255 websites in the United States.
Get a list of 49,727 websites using Google DoubleClick Conversion which includes location information, hosting data, contact details, 16,524 currently live websites and an additional 141,473 domains that redirect to sites in this list. 33,203 sites that used this technology previously and 9,255 websites in the United States currently using Google DoubleClick Conversion.
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