Full Answer
Choosing conversion source: Use Google Ads conversions when:
- Optimizing Google Ads campaigns
- Setting Smart Bidding targets
- Evaluating campaign performance
- Making Google Ads budget decisions Why: Google's algorithm optimizes toward what it sees in Google Ads. Use its data for its optimization. Use GA4 conversions when:
- Comparing all traffic sources
- Understanding user journeys
- Analyzing behavior flows
- Cross-channel attribution
- Neutral platform needed Why: GA4 doesn't favor any traffic source. Use backend data when:
- Calculating true ROAS
- Business reporting
- Revenue forecasting...