Download websites that use DoubleClick Floodlight

About DoubleClick Floodlight

DoubleClick Floodlight is not chosen the way a content system or a framework is chosen. A Floodlight tag lands on a page because an advertiser, or more often the agency buying media on their behalf, needs to know which visits turned into a purchase, a form fill or a signup after an ad was served. The tag fires in the browser and reports the action back to the ad platform, where it is matched against impressions and clicks bought somewhere else entirely.

So the fact worth extracting from a detection is not really technical. A domain carrying the tag is running paid media with measurement attached, reported into a Google platform, with enough budget and internal process behind it that somebody sat down and configured conversion tracking. Sites that merely load a tag manager say far less than that. For an agency looking for accounts already spending, or for a competing measurement vendor looking for displacement targets, the qualifying signal is exactly this one.

Our records for the tag reach back to 2008, and the system has been folded into successive rebrands of the same advertising stack, which is why it still carries the name of a company absorbed long ago. The implementation is Proprietary, so there is no source to inspect and no version string to read. What a crawler can see is the tag on the page and nothing at all about the account behind it.

As of October 2026 the tag appears on 28,882 sites. 12,349 of them sit in United States, and yet registrations across the whole set lean toward .com, a national suffix rather than a generic one. The gap between those two columns is worth reading rather than smoothing over. Country is inferred from network and hosting signals, so it follows infrastructure, while the suffix records where the domain was bought and often reflects a local advertising market with strong national registration habits. A researcher who assumes the two columns agree will build the wrong segment.

Detection has an honest ceiling here as well. Tags loaded through a container, injected only after consent is granted, or withheld from visitors in a privacy regime may not be visible at crawl time, so the figure is a floor rather than a total. Absence from the list is weak evidence about an advertiser. Presence is strong evidence. Checking a single domain answers whether one advertiser has conversion tracking live, which is rarely the question anyone actually has. The download answers who else does, broken out by market and by whatever else runs on their pages, and that is what turns into a prospect list, a competitive map, or an estimate of how much of an industry buys measured media at all.