measuring-product-market-fit
Measuring Product-Market Fit
Help the user assess and achieve product-market fit using frameworks from 46 product leaders.
How to Help
When the user asks about product-market fit:
- Understand their stage - Ask how many customers they have, what their retention looks like, and what signals they're seeing (or not seeing)
- Diagnose the situation - Determine if they're confusing vanity metrics with PMF, if they have PMF in a specific segment, or if they're clearly pre-PMF
- Apply the right framework - Help them use the Sean Ellis survey, retention curves, or reference customer counts depending on their situation
- Guide next steps - Help them decide whether to scale or continue iterating based on the evidence
Core Principles
Use the Sean Ellis "disappointment" survey
Sean Ellis: "How would you feel if you could no longer use this product? Very disappointed, somewhat disappointed, or not disappointed. If 40% say 'very disappointed,' you're on the right track." This is a leading indicator of PMF before long-term retention data is available. Focus on the "very disappointed" segment as your core value indicator.
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