Performance Marketing · MER
MER
Definition
What is MER?
Marketing Efficiency Ratio. Total revenue divided by total marketing spend across all channels in a period. Captures blended performance including organic uplift. The truth-teller metric ROAS pretends to be.
Related terms
Cross-linked concepts
- ROASReturn On Ad Spend, revenue divided by ad spend over a defined attribution window. The top-line efficiency metric for performance marketing. Defended ROAS requires accurate revenue attribution, which is why server-side tracking matters.
- CACCustomer Acquisition Cost, total marketing and sales cost divided by new customers acquired in the period. The denominator question is whether to include team salaries, software, and overhead, be consistent in how you define it.
Same category
More Performance Marketing terms
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