GA4 Shows 2× Your Shopify Revenue?
Your Purchase Event May Be Firing Twice.
These issues are invisible in GA4 DebugView and GTM Preview:
- Duplicate purchase events inflating GA4 revenue by 2× — the #1 Shopify tracking failure
- GTM + native GA4 overlap sending the same purchase twice
- Consent Mode silently blocking conversion data to Google Ads
- Ad platform ROAS inflated by double-counted purchases — optimizing against bad data
Most stores re-scan after:
- Theme updates
- App installs or removals
- Checkout or custom script changes
- Compare before and after every change
Plan gives you 50 credits/month so you can verify after every change.
Your tracking breaks more often than you think — and rarely where you expect.
Shopify theme pushes modify HTML structure
→ GTM triggers stop firing
App installs inject duplicate tracking scripts
→ Revenue metrics double-count
CMP vendors block scripts until consent
→ But GA4 events still fire incorrectly
Purchase events double-fire or fail to fire entirely
→ Revenue data becomes unreliable
Manual debugging is slow and inconsistent
→ Issues vary across devices and regions
How the Diagnostic Works
We don't just check if tags exist. We observe what actually happens when a real browser visits your store.
Working correctly — no action needed
Problem detected — fix steps included in report
Check couldn't execute — report explains why
Example: What a Scan Might Return
Every check reports what actually happened — not what was inferred.
The scan runs in a controlled browser session. It does not modify your store.
One scan. Clear results. Actionable fixes.
✓What You Get
- ✓Complete scan of your live storefront (real browser, network-level)
- ✓Detection of GA4/GTM measurement IDs when present
- ✓Detection of potential duplicate GA4 events when observable
- ✓Consent Mode v2 signal detection when consent banner executes
- ✓Validation of ecommerce parameters when events execute
- ✓Prioritized findings: Critical / High / Medium
- ✓Fix instructions with code examples
- ✓PDF export
- ✓Structured diagnostic data export
✗What This Is NOT
- ✗Not continuous monitoring (this is a point-in-time scan)
- ✗Not an automated fix tool (you apply fixes manually)
- ✗Not a Shopify app (no install required)
- ✗Not raw engine output (curated diagnostic presentation)
Expectation
You'll receive your report via email typically within a few minutes. If your store is unusually heavy, Lite Mode may run (partial results). In rare cases, scans may timeout — you can request a rescan.
What Happens After Purchase
What We Find
Real examples of tracking issues detected by our diagnostic engine.
Duplicate GA4 Detection
Duplicate GA4 measurement ID detected — inflating revenue by 2×
When your GA4 tag fires twice per pageview, every metric doubles. We detect this pattern by observing actual network requests.
Consent Mode Violation
Consent delta shows tracking requests firing before consent
If your consent banner is present but tags fire before the user consents, you're at risk of GDPR non-compliance.
Missing Ecommerce Parameters
Purchase event missing required ecommerce parameters
A purchase event without currency, value, or items breaks your revenue reporting in GA4.
Illustrative examples. Your results will reflect your store's actual configuration.
Want to know more?
Built by engineers, not marketers.
Duplicate Purchases. Inflated Revenue. Broken ROAS.
A real-browser diagnostic reveals whether your purchase events fire once or multiple times — and shows you exactly where the problem is.
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