GTM Web vs Server Container: What's the Difference?
Easyzenit Team · July 10, 2026
A standard GTM Web Container runs entirely in your visitor's browser. It's the version most people mean when they just say 'GTM' — the snippet you paste into your site's <head>, managing tags that fire based on things happening on the page.
A GTM Server Container is a completely separate thing: it runs on an actual server, not in the browser. Your website still sends events to it (usually via the same dataLayer pattern you're already using), but from there, the server container decides what to do with that data — including forwarding it on to Facebook, Google, or anywhere else, from the server side rather than the browser.
Why this requires hosting
Unlike the Web Container, which Google hosts for free as part of the regular GTM product, a Server Container needs an actual running server somewhere — Google Cloud Run, a VPS, or a managed host. That's the gap Easyzenit fills: you get a dedicated, managed sGTM server without setting up cloud infrastructure yourself.
You still configure your tags, triggers, and variables inside GTM's own interface exactly like you always have — the hosting is the only part that changes.