Traffic sources and attribution

Measure paid campaign performance beyond clicks

Connect paid spend and campaign visits to qualified outcomes and sustainable returns.

Clicks and cost are inputs. Paid campaign measurement becomes useful when it connects those inputs to outcomes your business values and can verify.

Create a reliable campaign join

Use consistent UTM values and import or record spend at the same campaign level. Confirm redirects retain the tags and conversion events reflect completed actions. Do not put private user data in campaign URLs, and account for ad-platform reporting windows when comparing totals.

Put it into practice

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Separate acquisition cost from attribution

Calculate cost per qualified outcome using aligned dates and definitions. Attributed revenue can help compare campaigns, but it may overstate incremental impact because some customers would have converted anyway. Use experiments or holdout approaches when the decision requires causal evidence.

Include downstream quality

Follow lead qualification, refunds, repeat purchase or retention when relevant. A low-cost lead is not a win if it rarely fits. Compare creative and landing page together: strong ad engagement followed by poor page progression often points to an expectation mismatch.