Building High-Impact Looker Studio Dashboards for Real CAC and ROAS Visibility

How to connect and blend multi-channel marketing data in Looker Studio to track blended Customer Acquisition Cost (CAC) and accurate Return on Ad Spend (ROAS).


When marketing data is fragmented across separate interfaces, you cannot calculate your true blended Customer Acquisition Cost (CAC). Looker Studio provides the ideal environment to blend advertising spend with verified backend revenue.

Core North-Star Metrics

Focus on Blended Spend, Verified Revenue, Blended CAC, and Blended ROAS.

Blending Data Sources

Join ad platform spend tables with GA4 purchase events using Date as the universal join key, and create calculated fields for accurate cross-channel return.

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