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A/B Testing Case Studies

One of the best way to come up with A/B testing ideas is to learn from the experience of others. On this page you will find A/B testing case studies and conversion rate optimization case studies from the world’s largest brands and companies. We hope these stories will inspire you and help generate test ideas you can implement on your own website.

Optimizely Increases Homepage Conversion Rate by 29%

Our home page, www.optimizely.com, has a red call-to-action button letting people test their website in the Optimizely editor.     We wanted to see what effect the button call-to-action had on conversion rate, so we ran an experiment changing the button text to the following three variations: The Original Page used “Get Started!” The first […]

How Obama Raised $60 Million by Running a Simple Experiment

On October 21, 2010 President Obama visited Palo Alto to raise money the good ol’ fashioned way: a $30,400-per-plate fundraising dinner. This tried and true fundraising technique is a great way to raise money if you can get the President of the United States to show up to dinner. But how can you raise money if no one has heard of you and all you have is a website? Back in 2007, when Obama was running for the nomination and trailing by double digits in the polls, that’s pretty much all we had.

As Director of Analytics for the Obama 2008 campaign, my job was to use data to help the campaign make better decisions. We started with just one simple experiment back in December of 2007.