Guides to testing on your store.
How to plan a test, read its result and avoid the mistakes that make results wrong. Worked examples are computed with Benchmyrk's own statistics engine, and every guide lists its sources.
How to read an A/B test result
What the verdict, lift, 95% interval, chance to beat control and p-value each tell you, which checks come first, and when a result is ready to act on.
7 min read
Sample size and test duration: how long to run an A/B test
How many visitors an A/B test needs and how long that takes: the four inputs, the formula Benchmyrk uses, worked examples and what to do with low traffic.
5 min read
Price testing on Shopify without Plus
How to show and charge different prices to different shoppers on any Shopify plan: the options Shopify allows, how Benchmyrk does it, and the limits.
5 min read
SRM: when your A/B test split looks wrong
What a sample ratio mismatch is, how Benchmyrk detects it, worked examples, the usual causes on ecommerce stores, and what to do when a test is flagged.
4 min read
Rather see it on your own store?
We'll walk through a test on demo data and answer your questions. Or start the free trial on Shopify.