Google Tag Gateway
Google Tag Gateway, deployed for first-party serving.
Datahash stands up Google Tag Gateway on your subdomain to serve Google Ads and GA4 tags first-party, protecting measurement from browser and ad-blocker interference.
- ● gateway tags.yourbrand.com :: healthy
- > serve google_tag first_party=true
- products google_ads · ga4 configured
- tls valid · added_latency <5ms
- ✓ gateway serving google tags
WHAT THIS ENABLES
Google Tag Gateway
Google Tag Gateway is Google's managed first-party serving layer for the Google Tag, deployed by Datahash on your subdomain so Google Ads and GA4 measurement runs from your own domain rather than Google's shared domains.
- Google Ads and GA4 tags served from your own domain, harder for ad blockers to strip.
- Measurement that holds up as browsers tighten third-party restrictions.
- First-party serving stood up and maintained by Datahash rather than your engineering team.
Built for the teams that own the number.
Teams standardizing all measurement onto first-party subdomains.
From kickoff to verified events.
-
Provision
Custom subdomain with TLS.
-
Deploy
Tag Gateway container deployment.
-
Configure
Google Ads and GA4 tag configuration through the gateway.
WHAT FLOWS WHERE
Google tags, served first-party.
The Google Ads, GA4, and gtag scripts load from a first-party path on your own domain, yourbrand.com/gtg_path, instead of Google's shared domains, so browsers and ad blockers have far less to strip before measurement fires.
The Google Ads, GA4, and gtag scripts load from a first-party path on your own domain, yourbrand.com/gtg_path, instead of Google's shared domains, so browsers and ad blockers have far less to strip before measurement fires.
What ships with this offering.
Google tags served from your own domain.
Measurement resilient to browser and ad-blocker interference.
Managed deployment, monitoring, and updates.
ON THE WIRE
What the platform actually receives.
Identifiers are hashed with SHA-256 at source. The payload the destination sees never contains raw PII.
- ● signals :: gateway request
- > GET yourbrand.com/gtg_path/gtag.js first_party=true
- serve google_ads · ga4 from your domain
- tls valid · added_latency 4ms
- measurement_id G-XXXX · consent forwarded
- ✓ 200 · served first-party
Measured in production.
+14%
average increase in measured conversions for advertisers using Google Tag Gateway, as reported by Google
Adjacent moves on the same stack.
GA4 Server-side
Datahash moves GA4 event capture server-side to reduce browser loss and improve consent behavior.
Learn moreGoogle Enhanced Conversions Web
Datahash configures Enhanced Conversions Web with server-side user-data collection and hashing, so Google Ads recovers the conversions browsers drop.
Learn moreGoogle Data Manager API
Google's single ingestion endpoint for first-party data, implemented end to end by Datahash across Ads and GA4.
Learn moreservice
Google Tag Gateway service
End-to-end Tag Gateway implementation, on your CDN or sGTM.
Learn moreQuestions your team will ask.
Is this the same as server-side GTM?
No. sGTM is a full tagging server you configure and operate. Tag Gateway is Google's managed first-party serving layer for the Google Tag; it is lighter to run and purpose-built for Ads and GA4. Some stacks use both, and we advise which fits after an audit.
Do we still need Consent Mode?
Yes. Tag Gateway changes where tags are served from, not what consent is required before they fire; those obligations are unchanged. We integrate Consent Mode v2 as part of the deployment so signals degrade gracefully, falling back to modeled conversions, when a visitor declines consent, exactly as they would on Google's own domains.
Does routing tags through our subdomain add latency?
The gateway serves from infrastructure close to your users, so any added latency is typically single-digit milliseconds, in line with the under-5ms figure we target during deployment, and invisible in page metrics like Core Web Vitals. We verify performance during rollout and monitor it afterward so a slow region does not go unnoticed.
NEXT STEP
Live in fifteen minutes. Measurable in a week.
Talk to our team of solutions engineers. We map your source data, propose an integration plan, and give you a live setup in the same call where possible.