When you need it
- Analytics is installed but nobody trusts the numbers.
- You cannot say which channel generated this month leads.
- Doubts about whether the tracking is GDPR-compliant.
The foundation under every marketing decision: correct events, compliant consent, reliable attribution.
Some is lost, and that has to be accepted. With Consent Mode and server-side measurement you keep a reliable read on trends while staying compliant.
No: privacy-friendly alternatives exist and are often enough. The choice depends on what you must measure and who you share it with.
Because they measure different things with different attribution models. The point is not to make them match, but to pick one reference source for decisions.
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