Growth Analytics Library
4-pillar reference library: HEART · Marketing · AARRR · Experimentation
💜UX Quality
Product Analytics: The HEART Framework
Measure UX quality across Happiness, Engagement, Adoption, Retention, and Task Success.
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📣Acquisition
Marketing Analytics: Acquisition & Performance
From impressions to CAC — every metric that turns strangers into signed-up users.
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🏴☠️User Lifecycle
Growth Analytics: The AARRR Framework
Acquisition, Activation, Retention, Referral, Revenue — the full user lifecycle.
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🧪Scientific Validation
Experimentation & A/B Testing
Use the scientific method to validate product changes before shipping to 100% of users.
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4 frameworks · FAANG interview-ready reference