Customer Validation
4 articles

What is the Sean Ellis Test for Product-Market Fit?
If 40% of your customers would be 'very disappointed' without your product, you might have Product-Market Fit – a specific benchmark many founders only discover after launch.

What is Product-Market Fit for Startups and How to Achieve It?
Sean Ellis, a prominent Silicon Valley entrepreneur and investor, famously stated that if fewer than 40% of your users would be 'very disappointed' without your product, you have not yet found product

How to Implement Lean Principles in Your Startup: A Complete Guide
Many startups fail by building products nobody wants. This guide introduces Lean principles, a systematic approach to navigate uncertainty and build a sustainable business by prioritizing learning and iteration.

How to Achieve Product-Market Fit — A Complete Guide
Achieving product-market fit is crucial for startup success, moving beyond a simple launch-and-hope strategy. This guide breaks down the methodical process into four distinct stages, from validating your idea to scaling your business.