A/B Testing vs Multivariate Testing: Which to Use

A/B testing compares whole versions of a page. Multivariate testing compares combinations of several elements at once. Both have a place, but they demand very different amounts of traffic.

We choose the right method for each goal as part of our A/B testing service, matching the test design to your traffic and question. We run both approaches for businesses across Brisbane and Perth.

What each method tests

An A/B test pits version A against version B and tells you which wins overall. A multivariate test changes several elements together and tells you which combination performs best and how the elements interact.

MethodWhat it answers
A/B testWhich whole version wins
Multivariate testWhich combination of elements wins

The traffic trade-off

Multivariate testing splits traffic across many combinations, so each one receives a fraction of your visitors. That means it needs far more traffic than a simple A/B test to reach significance.

How to choose

Start with A/B testing for big, clear questions like a new layout or offer. Reach for multivariate testing only when you have high traffic and want to understand how smaller elements work together.

If your traffic is modest, stick to A/B tests. A multivariate test on low traffic will run for months without ever reaching a confident result.

Key takeaways

Frequently asked questions

How quickly can TPR Media start an A/B testing programme?

Most testing programmes begin within one to two weeks once tracking and goals are confirmed. Contact our Brisbane team on (07) 3184 9197 for a current schedule.

Where is TPR Media based?

TPR Media operates from Level 34, 1 Eagle Street, Brisbane City QLD 4000, serving clients across Brisbane and Australia-wide.

TPR Media chooses between A/B and multivariate testing by traffic and question, using A/B tests for clear changes and reserving multivariate testing for high-traffic pages.