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Your source for money-making  A/B test case studies

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Take hundreds of gamified A/B tests to inspire and validate your testing ideas
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Verify testing patterns with real-life results and objective case study findings
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Apply the insights to increase revenue and optimize your testing success
Get A/B test insights from big-name brands, including:
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Take the Guess Work Out of Testing

A/B testing can feel like guess work if you don't know how to do it properly or what works. GuessTheTest is the resource here to help you achieve optimal testing success.

What is A/B Testing?

Also known as split-testing, A/B testing is a process in which two versions, or elements of a website, are changed and compared. Conversions are measured, and the variant that converts best wins.

What is GuessTheTest?

GuessTheTest is the go-to A/B test case study resource. It provides you with access to hundreds of objective, inspiring real-life A/B test case studies to validate your testing ideas and optimize your success.

How Do I Optimize Test Success?

Take your best guess on the Featured A/B Test  below. See if you win, and apply the findings to optimize your own website. Can you guess which test won? Get more test ideas and inspiration through the full library of A/B tests.

Can You Guess The Right Test?

With or without the social proof bubble?

With social proof section
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Without social proof section
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[esi poll id="346" ttl="0"]

Test Run By:

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Test Run For:

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Test Run On:

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More Money-Making A/B Test Case Studies

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

Rapidly increase revenue with pricing strategies that convert

Pricing is fundamental to your business' success. The price tag and way you display your product prices can make or break sales.

A/B testing pricing is a valuable way to optimize profits. But it's hard to know exactly what to test or where to start.

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

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

"How To" Tutorials & Guides

Step-by-step instructions and templates to help you overcome testing barriers and achieve optimal success.
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Optimization Tools & Techniques

Facts, information, and explanations focussed on optimization and testing.
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Best Practices & Strategies

Validate your testing ideas and apply the insights to optimize your own practice.
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The Answers & Insight You Need to Become a More Successful Experimenter

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Unlock access to hundreds A/B test case studies with new ones added bi-weekly

The fastest way to earn 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 get tangible takeaways in bite-sized pieces.
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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.
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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 training sessions on testing and optimization.

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

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