When I had coffee with Jason Fried of 37signals after FOWA Miami, I asked him if he had learned anything about A/B testing that they hadn’t blogged about. And wow, did he have an amazing little tip to share …

FOUR AMAZING WORDS

He said that they tested various phrases on the Highrise homepage for the call-to-action button. They originally had used various permutations of “Free Trial” and “Sign-up for Free Trial”. Then they tested the phrase:

“See Plans and Pricing”

This resulted in a 200% increase in sign-ups. That’s right. 200%.