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What is A/B Testing?

A/B Testing — TAP-ONE Glossary

Comparing two versions of a page, message, or ad to see which one performs better.

Last updated: 8 August 2026

A/B testing (or split testing) involves showing two variants of something — a headline, a button color, a review request message — to different segments of an audience and measuring which performs better against a defined goal, such as conversion rate, tracked in a tool like Google Analytics (opens in new tab).

A Practical, Low-Effort Way to Run One

A small business doesn’t need formal statistical software to benefit from this idea — alternating between two different review request messages week by week and simply comparing response rates over a month achieves the same core goal. The point isn’t rigor, it’s replacing a guess with an actual comparison.

The same approach works for a headline, a CTA button label, or even which photo leads a Google Business Profile — change one variable at a time so it’s clear what actually caused the difference in results.

Giving each version enough time and volume to produce a meaningful result matters too — comparing five messages sent under each version rarely reveals anything reliable either way.

People also ask

Do small local businesses need A/B testing?

It helps at scale, but for a single-location business, testing two different review request messages over a month and comparing response rates is often enough — formal statistical testing isn’t always necessary.

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