Define success metrics for a feature
Define feature success criteria
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Define success metrics for [feature name]. Identify: primary metric (the one number that proves this feature works), secondary metrics to monitor for side effects, guardrail metrics that must not degrade, how to measure baseline before launch, target values with rationale, and the measurement plan (tool, event names, query).
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Pour un résultat actionnable, précisez le comportement attendu de la fonctionnalité ("inciter à l'invitation des contacts") : sans objectif clair, les métriques restent arbitraires. Pour chaque cible, indiquez l'horizon temporel et la population mesurée, ex. "rétention J+7 ≥ 40% chez les nouveaux inscrits après 6 semaines". Cela lève toute ambiguïté lors de la revue post-lancement.
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