Measure what matters.
Ignore the rest.
Essays and field notes on product-market fit, customer measurement, and building things people would genuinely miss.
PMF vs NPS: The Difference (and Why You Need Both)
PMF and NPS look similar but measure different things. Here's what each one tells you, when to use each, and why most NPS tools can't measure PMF.
Survicate Alternative for PMF Measurement (2026)
Survicate is a solid general CX tool. But if you are using it to measure product-market fit, you are using the wrong tool for the job. Here is what to use instead.
Product-Market Fit Survey Questions: The 4 That Matter (and 20 That Don't)
Most PMF survey templates are bloated. Here are the exact 4 questions that measure product-market fit, why they work, and a copy-paste template.
How to Export Your Delighted Data Before June 30, 2026
Delighted shuts down June 30, 2026. Here's the exact export process, what's in the CSV, what's missing, and how to turn it into a PMF baseline.
8 Best Delighted Alternatives for 2026 (Free and Paid)
The best Delighted alternative for indie developers focused on PMF measurement is FitSignal ($29/month). It's the most direct replacement — dedicated PMF...
What Is Product-Market Fit and How Do You Measure It?
Product-market fit isn't a feeling — it's a number. Learn how the Superhuman method gives you a clear, repeatable way to measure whether your product has found its market.
High Expectation Customers: The Secret to PMF
High Expectation Customers (HECs) are the users who define your product-market fit. They're the most demanding users in your base — and if you build for...
How to Know If You Have Product Market Fit (2026 Guide)
Getting product-market fit is crucial, and one key indicator is when over 40% of your core users would be 'very disappointed' if your product vanished. You've built ...
The "Very Disappointed" Survey Question: What It Means
"Very disappointed" is the only PMF survey response that matters. Users who say they'd be "very disappointed" if your product disappeared are your core PMF...
How to Improve Your Product Market Fit Score
If your PMF score is below 40%, focus on two things: find the user segment that already loves you (they exist), and fix the specific blockers that keep...
The Sean Ellis 40% Test: The Ultimate Guide
The Sean Ellis 40% test is the most validated method for measuring product-market fit. Ask your users "How would you feel if you could no longer use...
Product Market Fit for SaaS: A Simple Guide
For SaaS products, product-market fit (PMF) means users keep using your product because they truly need it, not just because switching would be a hassle. One...