Prebid vs THEADX

Prebid is the more common of the two in our index: it runs on 2,719 websites against 10 for THEADX, and 7 sites use both. Counts come from real scans, not vendor claims.

Prebid: 2,719
THEADX: 10

Prebid

Prebid is an open-source header bidding wrapper. It forms the core of our Nucleus ad platform, helping maximize revenue and performance for publishers.

Indexed sites: 2,719
Share of Advertising: 16%

Well-known sites using it

All 2,719 sites

THEADX

THEADX is a Turkish advertising network and ad exchange that serves ad tags and tracking pixels via theadx.com.

Indexed sites: 10
Share of Advertising: 0%

Well-known sites using it

All 10 sites

Used together

7 sites run both Prebid and THEADX. That is 70% of the sites using THEADX, the smaller of the two.

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Want to know which one a particular site uses? Look it up and see its whole stack, or compare two sites side by side.