Start recovering lost revenue with Server-Side GTM for free

Server-side GTM brings back long-lasting first-party cookies. Addingwell runs the infrastructure for you.

Try for free no credit card required. Plug&play with your existing GoogleTagManager or Shopify setup. First 100,000 requests free.

Trusted by + 1000 companies

Your ads are optimizing on incomplete data

If you’re searching for GTM server side, you already know something’s off.

• Google Ads doesn’t match backend revenue
• Meta performance fluctuates without explanation
• Smart Bidding feels unstable
• Retargeting pools are shrinking

It’s clear that you have a signal problem, causing you to lose ad revenue.

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Server-Side GTM isn’t optional anymore

Client-side tagging is no longer a reliable infrastructure. Server-side tagging restores your control with:

More durable cookies.
Higher match quality.
Stronger optimization signals.

This is how you protect your ROAS.

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Recover lost conversions with Addingwell

Addingwell removes the technical risk. Here’s what you get:

Fully managed server-side GTM hosting
First party in multi-domain & multi-Region
Architecture Anti-Adblockers
Architecture Anti ITP d'Apple
Conversion API for Meta, Tittok, Pinterest, Snapchat...
Google Enhanced Conversions
Omnichannel Event Ready
GDPR-ready with Consent Mode and monitoring
Google Tag Gateway Ready
Human Support & Alerting
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This is how you protect your ROAS.

PLANS

Transparent, Scalable Pricing

Server-side infrastructure shouldn’t require a custom enterprise contract. Addingwell pricing is based on the number of requests processed so you scale as your tracking scales.

Free Plan
Test Everything Addingwell allows, with this 100,000 requests free plan.
Free
Popular
Pay as you go
Best infrastructure and toolset for your server-side tracking strategy. The go-to solution.
from 90€/mo
Enterprise
High volumes, Security, compliance, and flexible deployment.
Custom
Upgrade when you’re ready. No long-term commitment.

What happens after migration

Here’s what are clients typically see:

+152% Google Ads orders
+15% more data sent to Meta
4-second faster page load
43% more return visits on Safari

When platforms receive better signals, bidding improves.
When attribution improves, decisions improve.
When data improves, budgets scale.

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Transparent infrastructure. Backed by Didomi.

Server-side tagging gives you control over:

What data leaves your domain, your GTM container stays yours
PII redaction & hashing
Consent-aware event forwarding
Regional hosting
Data flow is visible and setup is never locked in
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Addingwell manages the hosting and monitoring. You keep full control.
And now, as part of Didomi, a global leader in consent and privacy infrastructure, the foundation is stronger than ever.

You already know it’s time

You can read another blog post about server-side GTM. Or you can see what your data looks like when it actually works.

Start free with 100,000 requests, a custom domain, and automated tag health monitoring.

Free sandbox before commitment. No long-term contract. Cancel anytime.
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