Changing the signup button from green to red

Carelogger
Finance, Lead generation
Home
Clarity (design), Usability
May 2010
+21%
signups
 AB TestControl and variation

+21%

A
B
Carelogger is a tool for diabetics that tracks different diabetes health metrics. The personal logbooks for patients are free. Business accounts allow doctors to monitor sereral patients and are paid. The company wanted to increase the number of signups for their tool on their homepage.

Hypothesis

 Choosing a signup button color that stands out more (red) will increase signups

Learnings

There are two possible explanations; the red color in it self is more appealing to customers or the red color is effective because of the contrast with other design elements on the page.

Company Carelogger
Market Finance, Lead generation
Test data
Test element Call to Action
Page Home
Conversion principle Clarity (design), Usability
Result +21% signups

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