Download websites that use Tradedoubler

An affiliate tag is one of the few things on a web page that exists purely to move money. The tag fires when a visitor arrives from a partner and again when that visitor buys, and the whole apparatus exists so a commission can be attributed to whoever sent the traffic. Finding one on a domain therefore tells you something about the business model behind the site rather than about its engineering.

Tradedoubler sits in the Affiliate programs layer of that arrangement. A site carrying the tag is normally the advertiser side of the relationship, a retailer, travel brand, telecom or financial services firm that runs a partner programme and pays out on completed actions. Somebody inside that company owns a partner budget, negotiates commission rates and reviews publisher performance, which is a very different buying centre from the one that chooses a CDN or a content system.

The network itself is run by Tradedoubler, is Proprietary, and has been operating since 1999, which matters because affiliate infrastructure is sticky. Migrating a programme means re-signing publishers, rebuilding tracking links and accepting a gap in attribution, so merchants tend to stay where they are for years. A detection is consequently a fairly durable signal rather than a snapshot of this quarter's marketing experiment.

As of October 2026 we see Tradedoubler on 2,503 sites. The number is a lower bound. Affiliate tracking often lives only on conversion pages behind a login or a checkout, and it increasingly moves server side or behind a first party domain to survive tracking protection, none of which is visible from the outside. A merchant who routes conversions through a redirect domain can run a large programme and still show almost nothing on public pages.

Distribution like that is why an exported list is worth more than a lookup. Competing networks and affiliate software vendors want the advertiser population, not a confirmation about one brand. Publishers want to know which merchants in a vertical already pay commissions before spending effort on a pitch. Anyone studying European retail marketing can join the list against country, platform and category fields to see where performance marketing concentrates, and that comparison only works when you hold the whole set at once.