Google Analytics - Improve your website to increase conversions, improve the user experience, and make more money using Google Analytics. Measure, understand and quantify engagement on your site with customized and in-depth reports.

AbTest.io - A free url shortener with A/B testing features

Adobe Analytics - Adobe Analytics is an industry-leading solution that empowers you to understand your customers as people and steer your business with customer intelligence.

Anboto - Anboto provides web customer service and e-Commerce technology based on semantics and natural language processing.

Mixpanel - Mixpanel is the most advanced analytics platform in the world for mobile & web.

GoodUI Evidence - People's A/B test results that show which UI ideas work best