Member Login

Money-making A/B test case study results, ideas and insights

Take gamified A/B tests to inspire and validate your testing ideas with objective, real-life results. Apply the insights to increase revenue and optimize your testing success.
Access money-making A/B test results from big-name brands, including:

Can You Guess The Right Test?

Which face and font combination won?

Doctor with scribbled handwriting
Click here to enlarge
Professional with typewritten text
alivecor-version_b-smClick here to enlarge

Loading ... Loading ...

More Money-Making A/B Tests

Can you guess which test won? Take your best guess on these A/B tests, see if you win, and apply the findings to optimize your own success.
Access All A/B Tests 

The Only Pricing Guide You'll Ever Need

If you're trying to figure out how to best present your product pricing for maximum sales success, The Essential Guide To High-Converting Pricing Strategies is all you need.

In this jam-packed 79-page guide, you'll get the exact pricing strategies and techniques you need to increase conversions and boost profits.

Simplify your marketing efforts while dramatically skyrocketing your revenue and returns.
Get the Pricing Guide

"How To" Tutorials & Guides

Step-by-step instructions and templates to help you overcome testing barriers and achieve optimal success.
See More Guides

Optimization Tools & Techniques

Facts, information, and explanations focussed on optimization and testing.
See More Articles

Best Practices & Strategies

Validate your testing ideas and apply the insights to optimize your own testing.
See More Articles

Get the Pro Member Advantage

The Answers & Insight You Need to Become a More Successful Digital Marketer

Library new

Instantly unlock access to 100+ A/B test case studies, with new ones added bi-weekly

The fastest way to earn more online is to learn from others. We've done the heavy lifting for you. All studies outline the testing process, provide the real-life results, and offer valuable take aways. Tests are organized by topics so you can easily learn in bite-sized pieces.

Validate and inspire your testing ideas with real tests from big-name brands

Access the exact tests big-name brands ran to produce money making results, representing millions of dollars in traffic and ad spend. Don't waste your own money learning the same lessons. Get evidence and inspiration to show colleagues and clients what does and doesn't work.

Accelerate success with access to all optimization articles, resources, and courses

Easily increase your optimization knowledge through helpful articles, whitepapers, and resources. Pro Members also get complete access to all upcoming courses on testing and optimization.

Optimize your testing knowledge. Take advantage of all these exclusive benefits! Become a Pro Member today.

Unlock Full Access

What Some of our Happy Subscribers Say:

  • I've been a subscriber of GuessTheTest for some time now. I enjoy their weekly experiment deep dives where you have to think about which variation won. Often the answer surprises you. The write-up for each experiment is quite detailed and helps you to apply the same type of thinking to your own optimisations.

    Joshua Barnard Avatar
    Joshua Barnard

    I have been using GuessTheTest for several years now and it's one of the best platforms to access and engage with the resources around A/B testing and understanding the psychology behind driving conversions on websites and apps. The depth of the content is extremely valuable. It brings together thousands of $$ worth of research at our finger-tips. And the gamified way to answering and engaging with content is very exciting! I would definitely recommend following this platform on a regular basis.

    Sachin Uppal Avatar
    Sachin Uppal

    This is a website for a/b testing and optimization. It leads the industry for best practices and ideas for improving websites. It is the top source for website optimization. I highly recommend this site!

    Wendy Melemed Avatar
    Wendy Melemed
  • Great information source about A/B testing on real examples with all the analysis. Really happy that i found it. Recommended!

    Tatiana Maibarada Avatar
    Tatiana Maibarada

    GuessTheTest is a great resource. Thanks so much for providing excellent insight into CRO and A/B testing.Highly recommend

    Mary M Avatar
    Mary M
    8/08/2020 is a great resource for A/B testing and site optimization. I love the bi-weeky tests and the information it provides. Learned a lot! Keep up the great work! :)

    Guido Avatar
Leave a Review
eyechevron-downarrow-circle-upmagnifiercrossmenu-circlecross-circle linkedin facebook pinterest youtube rss twitter instagram facebook-blank rss-blank linkedin-blank pinterest youtube twitter instagram