Explore standardized definitions, formulas and usage guidance for key ecommerce performance metrics.
Measures cost efficiency of paid media and bid strategy.
What’s our average CPC for the week?
SELECT ROUND(CASE WHEN SUM(clicks) > 0 THEN SUM(spend) / NULLIF(SUM(clicks), 0) ELSE 0 END, 2) AS cost_per_click FROM spends WHERE spends_date BETWEEN :start AND :end;