marketing-product-analytics
Product Analytics - Instrumentation & Measurement OS
Modern Best Practices (January 2026): PostHog-first, session context registration, strict event naming, North Star activation events, privacy-first attribution.
Primary sources live in data/sources.json. If web search is available, refresh time-sensitive details against official docs before giving definitive advice.
No fluff. Only executable steps, templates, and checklists.
When to Use This Skill
- Event taxonomy design: Naming conventions, event hierarchy, property structure
- Tracking plan creation: What to track, where, and why
- Marketing attribution: UTM capture, campaign tracking, source attribution
- Activation metrics: Defining and measuring user activation
- Retention analysis: Cohort analysis, churn prediction, engagement scoring
- Platform setup: PostHog, Pendo, Amplitude, Mixpanel, Heap configuration
- Data quality: Event validation, debugging, governance
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