The rate of bid requests an exchange sends a DSP, a capacity cost the DSP manages by filtering traffic before bidding. QPS limits are why a DSP does not see every impression and why supply path optimization also serves the DSP's own economics.
Related terms
Cite this entry:
Agency Echelon. "QPS." Agency Echelon Reference, reviewed September 2026. https://agencyechelon.com/reference/glossary/qps/