Testing Focused

Commentary and in-depth looks at A/B testing and conversion rate optimization.

An A/B Testing Manifesto

Taking inspiration from the design principles and online philosophy of the 37signals manifesto, this list of ideas is meant to be an introduction to my philosophy of testing.

The data is the data, unless it isn’t

Testing for Results or Learning

Is it better to test for results or for learning? An exploration of the differences and when to use each approach.

The most common approach to testing is for results, whether that’s more sign-ups, leads, sales, clicks, or visitors. After all, the…

Testing Speed

Learn when to A/B test quickly — and when to slow down.

There’s no doubt that testing quickly has great advantages for an immature and agile marketing program. Being able to quickly ideate, design, launch, and analyze tests can have a huge impact on growth, even exponentially…