// Hacker Noon · 1 May 2026

Why Server-to-Server Tracking Replaced Pixels — And What Breaks When You Get It Wrong

S2S (postback) tracking replaces browser-dependent pixels with direct server-to-server HTTP calls for conversion attribution. The concept is four steps: generate a click ID, store it, fire a postback on conversion, attribute the commission. The implementation is where it breaks. Five failure modes h...

Hacker Noon

@hacker-noon · Elizabeth Sramek

hackernoon.com

Hacker Noon@hacker-noon