Prebid Testing: How Server-Side, Client-Side, and Parallel Bidding Compare

Published: 29 Oct 2025

Relevant Digital, in their latest multivariate test, put three setups - client-side, server-side, and hybrid parallel bidding - to the test in real publisher environments. The goal was to see how each performs across key metrics like revenue, latency, and viewability.

The results and more information on the test process can be found here.