What is Prebid.js?

Prebid.js is a feature-rich header bidding platform for the web, including more than 300 demand sources and 50 analytics adapters. It supports currency conversion, GDPR, common ID systems, and multiple ad servers.

According to the Prebid definition, Prebid.js is a feature-rich header bidding platform for the web, including more than 300 demand sources and 50 analytics adapters. It supports currency conversion, GDPR, common ID systems, and multiple ad servers.

Unlike Prebid Server which run auctions on server-side, Prebid.js code is hosted on the publishers site and executed within the user's browser. As an open source solution, Prebid.js allows publishers to set up line items without the need of developing a custom solution.

Other advantages are:

- It improves transparency as it is an open-source platform, anyone using it can have access to connected demand partners

- It can increase the ad revenue opportunities for every impression

- It can make asynchronous ad calls as it implements a single timeout feature that preserve page load speeds while bid responses are sent.

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