Server-Side GTM
Server-side Google Tag Manager runs the GTM container on a Google Cloud Run instance you control, processing analytics and ad-platform events server-side instead of in the browser.
In context
Server-side GTM gives you control over what data flows to which third party, restores measurement accuracy lost to browser restrictions, hides client-IP and PII from third parties when desired, and centralises analytics infrastructure. Setup cost: a few hours of GCP configuration plus monthly hosting cost (typically C$30–C$200/mo for medium-traffic sites). The benefit is most material for sites with significant ad spend or strict privacy requirements.
A Toronto B2B SaaS migrated its main events to server-side GTM, restoring ~25% of conversion signal lost to browser tracking restrictions and improving Google Ads' optimisation accuracy.
Have a question this didn't answer?
Book a free 60-minute strategy call. We'll explain how this concept applies to your specific situation.