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Google Ads Server-Side Conversion Tracking
We move your Google Ads conversion tracking into a server-side GTM container. Click identifiers are stored in first-party cookies, conversion tags fire from your server, and enhanced conversion data is hashed before it is sent. For advertisers who bid on conversion data.
Advertisers using Smart Bidding who want conversion signals that do not depend on browser tags
- Google Ads conversion tag in sGTM
- Server-side Conversion Linker
- gclid, gbraid and wbraid handling
- Enhanced conversions user data
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Where Browser-Based Google Ads Tags Lose Conversions
Google Ads bidding learns from the conversions it receives. When the browser tag fails or loses the click ID, the conversion never gets credited to the ad.
Lost Click Identifiers
When the gclid cookie is capped or cleared before checkout, a later conversion cannot be tied back to the click that drove it.
Blocked Conversion Tags
The gtag conversion request can be stopped by blockers on the thank-you page, so a real sale is never reported to Google Ads.
Raw User Data in the Browser
Enhanced conversions collected client-side expose customer fields in page scripts before hashing happens.
What We Configure for Google Ads in sGTM
Your Google Ads conversion actions stay the same. We move the tags that feed them into the server container and tighten how click IDs and user data are handled.
Server Conversion Linker
The Conversion Linker tag in sGTM stores gclid, gbraid and wbraid in first-party cookies on your domain.
Google Ads Conversion Tag
Server-side conversion tags for each action, mapped to conversion ID, label, value and currency.
Transaction ID Deduplication
Order or lead IDs passed with every conversion so Google Ads can drop duplicate submissions.
Enhanced Conversions Data
Email, phone and address fields normalized and hashed with SHA-256 on the server before they are forwarded.
Remarketing Tag
Google Ads remarketing moved server-side where suitable, with consent checks applied to audience building.
Consent Mode Signals
ad_storage and ad_user_data states passed to the server tags so conversion behavior follows user choices.
How a Server-Side Google Ads Conversion Is Sent
The click ID is captured on landing, kept in a first-party cookie and read again by the server when the conversion happens.
Visitor lands with gclid in the URL
Click ID saved as a first-party cookie
Purchase or lead sent to sGTM
Adds value, order ID and hashed data
Conversion credited to the right click
What's Included in Google Ads Server-Side Tracking
Clear deliverables, documented and validated before handover.
Conversion Action Mapping
Every primary and secondary conversion action mapped to a server tag with the correct ID and label.
Click ID Persistence
Conversion Linker configured server-side and tested with gclid, gbraid and wbraid landing URLs.
Enhanced Conversions Setup
User-provided data captured, normalized and hashed server-side, then checked in Google Ads diagnostics.
Conversion Testing
Test conversions traced from server preview through to the Google Ads conversion action status.
Tag Inventory
A documented list of every Google Ads tag, trigger and value source in the server container.
Post-Launch Review
A check of conversion diagnostics after launch to catch tagging issues before they affect bidding.
From Audit to Validated Data
How a Google Ads Server-Side Tracking project runs, step by step.
Audit
Audit conversion actions, current tags, click ID handling and enhanced conversions status
Strategy
Map each conversion action to a server tag and decide which stays client-side
Implementation
Build the Conversion Linker, conversion tags and hashed user data in sGTM
Testing
Test with real ad click URLs and follow conversions through server preview
Validation
Validate status and diagnostics in Google Ads, then hand over the tag inventory
Platforms and Tools We Work With
The tools involved in a typical Google Ads Server-Side Tracking implementation.
Conversion actions
Conversion and linker tags
Event and data capture
Server URL routing
ad_storage and ad_user_data
Google Ads Server-Side Tracking FAQ
Straight answers before you book. Still have a question? Talk to us directly.
Do I have to recreate my Google Ads conversion actions?
No. Server tags use the same conversion ID and label as your existing actions. The change is in how data reaches them, so bidding history and reporting stay attached to the same actions.
What happens to the gclid when tracking moves server-side?
The server Conversion Linker reads the click ID from the landing URL and stores it in a first-party cookie set by your server. When the conversion fires later, the server tag reads that cookie and sends it with the conversion.
Is this the same as offline conversion imports?
No. Server-side tracking handles conversions that happen on your website. Offline imports send conversions that happen later in a CRM or by phone. Many accounts use both, and we can plan them together.
How is enhanced conversions data protected?
Customer fields such as email and phone are normalized and hashed with SHA-256 inside the server container. Only the hashed values are sent to Google Ads, and only when consent allows it.
Can I run browser and server Google Ads tags at the same time?
Briefly, during testing, but not for the same conversion action in production without deduplication. We use transaction IDs and a planned cutover so conversions are not counted twice.
Services That Work Well Together
Tracking is a system. These services are often delivered alongside this one.
Hashed first-party data sent with conversions to recover matches that cookies miss.
Conversion actions, tags and values set up correctly so Google Ads counts what matters.
Server container setup, hosting, custom subdomain and routing, ready for every platform.
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