Media buying strategy
Stratégie & Scaling13 minJul 5, 2026Updated Jul 8, 2026
BN

Baptiste Noel

Metrikia

Margin Is the Only Metric: A Rigorous Field Guide to the Numbers Behind Paid Media

CPL, CPA, CAC, ROAS, MER, LTV, contribution margin, cohorts: the rigorous guide to reading, computing and acting on your real numbers, without fooling yourself.

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