The Floodlight Counter tag allows you to count the number of times someone visits your site after clicking on an advertisement for it.
https://support.google.com/tagmanager/answer/6107168?hl=en
Advertising
Get access to data on 611,478 websites that are Google Floodlight Counter Customers. We know of 188,597 live websites using Google Floodlight Counter and an additional 422,881 sites that used Google Floodlight Counter historically and 100,019 websites in the United States.
Get a list of 611,478 websites using Google Floodlight Counter which includes location information, hosting data, contact details, 188,597 currently live websites and an additional 1,069,270 domains that redirect to sites in this list. 422,881 sites that used this technology previouslyand 100,019 websites in the United States currently using Google Floodlight Counter.
Countries
Financial
Group
Region