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 529,486 websites Google Floodlight Counter Customers. We know of 172,280 live websites using Google Floodlight Counter and an additional 357,206 sites that used Google Floodlight Counter historically and 66,006 websites in the United States.
Get a list of 529,486 websites using Google Floodlight Counter which includes location information, hosting data, contact details, 172,280 currently live websites and an additional 1,085,727 domains that redirect to sites in this list. 357,206 sites that used this technology previouslyand 66,006 websites in the United States currently using Google Floodlight Counter.
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