Who We Are

GuessTheTest is the go-to resource for digital marketers who want objective A/B test case studies and helpful information to get split-testing ideas, insights, and best practices.

Every other week, a new Featured Test is showcased on GuessTheTest. It's presented in a "gamified" form. So, you get to have fun and learn, guessing which test you think won, seeing the real-life results, and applying the findings to optimize your own digital marketing success.

Free A/B Tests

You can sign up for FREE to get the Featured Test, plus other helpful resources on split-testing and optimization delivered to your inbox every other week.

Extensive Test Archive

Our extensive A/B case study library of archived tests – featuring an expanding collection of tests from organizations and agencies around the world -- provides useful data and insightful ideas to inspire testing and optimization on your own site.

Pro Member Advantage

In addition to the weekly Featured Test, Pro Members have access to a wealth of practical articles, interviews, guides, and tutorials on A/B testing strategies, tools, and best practices.

Progressive, Unbiased Community

GuessTheTest aims to connect, educate, and inspire digital marketers, and split-testers, like you, with outstanding content. We are a welcoming, collaborative community interested in implementing and sharing knowledge and best practices to propel the industry ahead.

We are an unbiased resource. We strive to report A/B test case study results in an objective manner. Most case studies are run externally, by companies who submit their tests to be published. Only case studies that demonstrate rigorous adherence to proper statistical measures and valid testing practices are published.

GuessTheTest is also a platform-agnostic resource. We do not endorse any specific tools or platforms. Rather, we appreciate all resources available and work to provide you with the best information possible to optimize your success.