Why are GA4 open rates and Apple Mail relevant to measurement generally?
- A Privacy features inflate or obscure some metrics, so figures are estimates rather than counts
- B Apple blocks GA4 entirely
- C Email cannot be tracked
- D GA4 measures email opens
Answer
Privacy features inflate or obscure some metrics, so figures are estimates rather than counts
Consent requirements, ad blockers and browser restrictions all mean modern analytics data is modelled and incomplete by design.





