marketing-cro
CRO — CONVERSION OPTIMIZATION OS (OPERATIONAL)
Built as a no-fluff execution skill for systematic conversion rate optimization.
Structure: Core CRO fundamentals first. Advanced testing in dedicated sections. AI/ML optimization in clearly labeled "Optional: AI / Automation" sections.
Modern Best Practices (January 2026)
- Google Optimize sunset: Use VWO, Optimizely, or PostHog
- Statistical significance: https://www.evanmiller.org/ab-testing/
- CXL Institute: https://cxl.com/
- Baymard Institute UX: https://baymard.com/
- Cookie deprecation + stricter privacy defaults: prefer first-party measurement, validate assignment/tracking, and treat lifts as uncertain without clean instrumentation
When to Use This Skill
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