What should you know before you test your store?

Each guide answers one question about conversion rate optimization, with the reasoning and the sources behind the answer.

How long should an A/B test run?

An A/B test runs until it reaches the sample size set before launch, in full weeks and for at least two. How to calculate the length for your store.

What is a good conversion rate for a Shopify store?

Published Shopify benchmarks put the average near 1.4 percent. Why your own segments and revenue per visitor say more than any average.

How do you write a CRO hypothesis?

A CRO hypothesis names one change, one metric and a reason taken from research. How to write one that a test can actually confirm or reject.

When is an A/B test the wrong tool?

An A/B test is the wrong tool when traffic is too low, when something is broken or when research already gives the answer. What to use instead.

Can you pay a CRO agency on performance?

Performance-based CRO pricing ties part of the fee to measured lift: a revenue share, a success fee or pay for uplift. How it works and when it is fair.

Find out where your store loses buyers.