AnalyticFast revenue attribution checklist
https://analyticfast.com/tools/revenue-attribution-checklist

[ ] Define your conversion: unique customers, transactions or subscriptions.
[ ] Standardize UTM source, medium and campaign names. No personal data in URLs.
[ ] Install one deferred tracker. Verify a real pageview and an SPA route change.
[ ] Pass visitor/session IDs into checkout metadata.
[ ] Verify provider webhook signatures and test with a genuine signed event.
[ ] Store amounts in minor units. Keep original currencies separate.
[ ] Test a refund and confirm net revenue decreases.
[ ] Review a real journey under first touch and last non-direct touch.
[ ] Set privacy notices, cookie/cookieless configuration and retention.
[ ] Review source conversion and revenue per visitor each week.

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