Full Answer
Google Ads showing more conversions: Reason 1: Attribution model Reason 2: Cross-device Reason 3: View-through conversions Reason 4: Multi-touch credit Google Ads data-driven model gives partial credit to ads in the conversion path. GA4 last-click gives 100% to one source. Reason 5: Different conversion windows
- Google Ads: 30-90 day click windows common
- GA4: Depends on attribution settings How to reconcile: Compare both to backend truth: Higher Google Ads numbers don't mean it's wrong—just measuring differently.