Multivariate Testing

Multivariate testing (MVT) is an experiment that tests multiple page elements simultaneously (for example three headlines and two hero images) to identify the best-performing combination and reveal how elements interact.

How it works

The testing tool serves every combination of the chosen variations and measures conversion for each. Because combinations multiply quickly (three headlines by two images by two buttons is twelve versions), MVT requires substantially more traffic than an A/B test to reach significance. It suits high-traffic pages where the question is how elements work together; for most pages and most questions, sequential A/B tests get to answers faster.

Why it matters

MVT can find interaction effects A/B testing misses, but running it without the traffic to support it produces noise dressed as insight. Choosing the right test type for the traffic available is itself a CRO skill. Learn more about our conversion rate optimization services.