Finding winning value propositions inside customer testimonials

Executive overview

Most value proposition tests fail because the language comes from inside the company, not from customers. The winning line is often already written — buried in a testimonial.

The best value prop is a specific benefit, in the customer's own words, that completes: "My product is the one that..."

The great value proposition test

• 20 experiments across 11 businesses; most headline variations moved nothing
• One business broke through only after pulling a line directly from a testimonial
• "We eliminated 99% of our paper files" → rephrased as customer-facing: "Eliminate 99% of your paper files"
• Result: 104% increase in clicks at 98.9% statistical confidence

How to find your value prop

• Read every testimonial looking for lines that complete "my product is the one that…"
• The winning line names one specific, concrete benefit — not a category or feature
• Once found, make it specific, test it with customers, and use it consistently