English Reference

Word

A/B testing

Definition

compound. a way to compare two versions of something, like a website or an email, to see which one people like more. You show version A to one group and version B to another to find the winner.

compound. a controlled experiment comparing two variants, A and B, to determine which performs better against a specific metric. Often used in digital marketing and software development to optimize user engagement or conversion rates.

Examples

“We used A/B testing to choose the best button color.”

“The marketing team is running an A/B testing campaign to see which subject line gets more clicks.”

“By implementing rigorous A/B testing on the landing page, the developers identified specific user interface changes that significantly increased the overall conversion rate.”

Examples

simple

“We used A/B testing to choose the best button color.”

contextual

“The marketing team is running an A/B testing campaign to see which subject line gets more clicks.”

complex

“By implementing rigorous A/B testing on the landing page, the developers identified specific user interface changes that significantly increased the overall conversion rate.”

Usage

Typically functions as an uncountable noun or a compound modifier before another noun.

Etymology

A compound of the letters A and B, used as placeholders for two distinct variables, and the noun testing. The term is derived from the statistical method of two-sample hypothesis testing, specifically the randomized controlled trial.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Domain

Web Development

This entry

Level
B2 · Upper Intermediate
Updated

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English Reference