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What is A/B Testing? The Complete Guide: From Beginner to Pro

ConversionXL

A/B testing splits traffic 50/50 between a control and a variation. A/B split testing is a new term for an old technique — controlled experimentation. Yet for all the content out there about it, people still test the wrong things and run A/B tests incorrectly. Table of contents What is A/B testing?

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A/B testing alternatives for low-traffic websites

ConversionXL

In a world where A/B tests are done by over 70% of online businesses , choosing not to follow a data-driven methodology to make informed decisions on website changes might seem unreasonable. Or if your management refuses to justify the costs of A/B testing? At Map My Growth , we often face this scenario.

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How to Use A/B Testing and Personalization Best Together

ConversionXL

If you ask most marketers, they will tell you that A/B testing and personalization are two completely different things. We as growth/performance marketers are accountable for results, often measured with conversions, new customers, or revenue. Why and when you should use A/B testing and personalization.

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How to Estimate a “Net Value” for Your A/B Testing Program

ConversionXL

In my experience, I find that teams and organizations report many winning A/B tests with high uplifts, but somehow they don’t seem to bring those uplifts in reality. Five types of A/B test “wins” can exaggerate discovered uplifts. These five types of winners show up in every experimentation program. False winners.

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How to Minimize A/B Test Validity Threats

ConversionXL

You have an A/B testing tool, a well-researched hypothesis and a winning test with 95% confidence. There are factors threatening the validity of your test, without you even realizing it. Quite simply, validity threats are the factors that threaten the validity of your A/B test results. Not so fast.

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18 Top A/B Testing Tools Reviewed by CRO Experts

ConversionXL

Finding a proper A/B testing tool isn’t the problem anymore. If you work in conversion optimization – whether at an agency, in-house, or as a consultant – you almost certainly run A/B tests. AB Tasty offers A/B testing, split testing, multivariate testing, and funnel testing capabilities.

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How to Make More Money With Bayesian A/B Test Evaluation

ConversionXL

The traditional (and most used) approach to analyzing A/B tests is to use a so-called t-test , which is a method used in frequentist statistics. In this blogpost, I will argue why a post-hoc Bayesian test evaluation is a better evaluation method than a frequentist one for growing your business. We Need More Winners!