nickgallick Product-Market Fit
Assess whether the product has real pull.
Core tests
- Sean Ellis test
- retention curve test
- organic growth test
- pull vs push behavior
Outputs
- PMF scorecard
- retention interpretation
- pre-PMF vs post-PMF decision guidance
- core-user profile
- next-step recommendations
Rules
- Do not scale paid before PMF.
- Prioritize repeat usage and unsolicited demand over vanity traffic.
- For marketplaces, measure repeated participation and supply-demand health.