Cookie database

Prebid.js cookies

1 cookie set by Prebid.js, each with its purpose and consent category.

CookieCategoryPurpose
_pubcidMarketingThe _pubcid cookie stores a pseudonymous identifier for header-bidding ad auctions, enabling ad exchanges to recognize returning visitors across different publisher sites.

Running Prebid.js on your site? A free Conzent scan shows which of these cookies are set before consent, and the banner blocks them until the visitor agrees.

Last updated 2026-11-12.