Server-side GTM promises better performance, more accurate data, and longer cookie lifetimes. But the benchmarks tell a more complicated story than vendor blogs admit. This article compares client-side and server-side GTM across five dimensions — page speed, data accuracy, cookie durability, cost, and complexity — …
Implementing GTM Server-Side on self-hosted infrastructure reduces costs from €50-150/month (Google Cloud) to €5-20/month while ensuring on-premise compliance essential for regulated industries. This technical guide covers complete Docker implementation: container setup, DNS configuration, Caddy reverse proxy with …