Server-side tagging. Stape, GCP, Cloudflare Zaraz and more - who hosts your GTM SS container?

Server-side tagging solutions catalog 2026 - 7 platforms

Stape.io, GTM SS on Google Cloud, Cloudflare Zaraz, Addingwell, TAGGRS, self-hosted and Jentis. Search, filter and compare.

Server-side hosting platforms and models - not implementation services.

Updated: July 3, 2026

Group:

Stape.io

Managed GTM Server-Side hosting with ready templates

Managed hosting · Managed GTM Server-Side

  • fast GTM SS without GCP ops
  • e-commerce and Meta, Google Ads, TikTok campaigns

Cloudflare Zaraz

Server-side tagging on Cloudflare edge - without classic GTM SS container

Cloud-native · Edge server-side (not GTM SS)

  • sites already on Cloudflare (CDN, Workers, R2)
  • fast server-side without Docker container maintenance

Addingwell

European managed GTM Server-Side with compliance focus

Managed hosting · Managed GTM Server-Side (EU)

  • European companies seeking Stape alternative
  • GDPR, EU hosting and implementation support

TAGGRS

Managed GTM Server-Side with EU hosting and simple pricing

Managed hosting · Managed GTM Server-Side (EU)

  • small and medium EU companies
  • fast GTM SS start with first-party subdomain

Jentis

European server-side and hybrid tracking platform with compliance focus

Managed hosting · Server-side gateway (hybrid)

  • EU enterprise with compliance and data governance requirements
  • hybrid client + server model with central control

I help design GTM SS architecture, choose hosting (Stape, GCP, Addingwell) and migrate tags with Consent Mode and CAPI.

Solution selector Comparison Server-Side Tagging Checklist ← All tools Implementation service details →

What is server-side tagging?

Server-side tagging moves part of tag logic from the browser to a server or edge. The most common pattern is a Google Tag Manager Server-Side (sGTM) container hosted on Stape, GCP or your own infrastructure. Alternatives include edge tagging (e.g. Cloudflare Zaraz) or an enterprise gateway (e.g. Jentis).

Features

GTM Server-Side
sGTM container - GA4, CAPI, Ads on the server.
First-party subdomain
e.g. ss.example.com - first-party cookies, fewer blockers.
CAPI
Conversions API - Meta, TikTok, Google Enhanced Conversions.
Consent Mode
Passing consent signals to server-side tags.
Edge tagging
Tagging on CDN/edge without a classic GTM SS container.
Managed hosting
Stape, Addingwell, TAGGRS - hosting without DevOps.
Self-hosted
Docker on GCP/AWS/Azure - full control.
Data governance
PII filtering and destination control (Jentis, custom sGTM).

GTM Server-Side vs edge tagging

GTM Server-Side is Google's container - full community template flexibility. Cloudflare Zaraz is a different path: edge without sGTM, faster start on CF. Managed (Stape, Addingwell) vs GCP native is a trade-off: time to launch vs TCO and control.

Minimum server-side implementation plan (7 steps)

  1. Map client-side tags and goals (GA4, Ads, CAPI).
  2. Choose model: managed GTM SS, GCP native, edge or hybrid.
  3. Configure first-party subdomain and SSL certificate.
  4. Deploy server container and connect to client GTM.
  5. Migrate critical tags (GA4, Meta CAPI) and test in Preview.
  6. Connect Consent Mode and verify consent flow.
  7. Monitor requests, hosting costs and data quality in destinations.

FAQ

How is server-side different from client-side?

Tags run on server or edge - less browser code, better data control and ad-blocker resilience.

Stape or Google Cloud?

Stape - fast managed start. GCP - full control and lower TCO at scale, but requires DevOps.

Does Cloudflare Zaraz replace GTM SS?

Not 1:1. Zaraz is edge tagging on Cloudflare; GTM SS is Google's container with different setup.

How much does server-side cost?

From ~$17/mo (Stape) or ~€22/mo (TAGGRS) managed; Addingwell from ~€90/mo; GCP production from ~$90/mo compute.

Does server-side solve GDPR?

It helps with data control and first-party, but does not replace CMP, legal basis and processor agreements.

Do I need client GTM and server GTM?

In classic sGTM yes - the client container sends data to the server container.

Addingwell vs TAGGRS vs Stape?

All offer managed GTM SS. Stape has the largest ecosystem (Global on GCP or Stape Europe in EU); Addingwell and TAGGRS are European managed alternatives.

What's the most common mistake?

Deploying hosting without tag migration, CAPI testing and Consent Mode - server-side without client-side data quality.

For informational purposes. Verify pricing and features with vendors before purchase.