A/B Testing & Experimentation

Testing Methodology

Randy Wattilete Randy Wattilete
🧪
🔀

Multivariate testing: when it works, when it doesn't, and what to do instead

Multivariate testing lets you test multiple page elements at the same time. Different headlines, images, and buttons, all mixed and matched to find the winning combination. It sounds like the smart play. Test everything at once, find the best combo, move on. But most websites don't have enough visitors to make it work ...

🔀
🧪

Split testing meaning: what it is, the 3 types, and when each one matters

Split testing means showing two (or more) versions of something to different visitors, then keeping the one that gets better results. That's it. You change a he ...

⚠️
🧪

11 A/B testing mistakes that quietly kill your results

You're running A/B tests. That already puts you ahead of most websites. But running tests and running them well are two different things. Bad tests are worse ...