Knowledge

Server-to-Server (S2S) — auctions without burdening the browser

S2S moves the auction from the browser to the server, cutting page load time and letting you connect more demand partners without hurting performance.

03.02.20267 min read

Server-to-Server is a model where connections to demand partners run on the server rather than in the user’s browser.

+30%
Faster load time

Moving the auction server-side offloads the browser and shortens time-to-first-ad.

Client-side bidding loads the browser with many parallel connections. S2S shifts that traffic to the server, reducing latency, improving Core Web Vitals and letting you scale partner count without degrading the user experience.

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