Skip to content

Optimizely Achieves Tripled Speed in Feature Testing with Cypress

By switching from Selenium to Cypress, Optimizely tripled its feature testing speed and achieved full feature coverage: 

  • 300% increase in feature testing speed
  • 45% reduction in test run times from parallelization
  • 100% feature coverage
  • 70% decrease in incoming issues
Download the Case Study

Optimizely is dedicated to enabling companies to experiment with and swiftly release software, empowering them to test and learn in production before rolling out new features universally.

Read more about why Optimizely switched to Cypress from Selenium, and how Cypress enhanced the efficiency of their end-to-end testing suite.


A complete end-to-end testing experience.

Install the Cypress app and write tests locally.

Build up a suite of CI tests, record them and gain powerful insights.


Set up tests

Installing Cypress is simple. No dependencies, extra downloads, or changes to your code required.


Write tests

Write tests easily and quickly, and watch them execute in real-time as you build your web application.


Run tests

Debugging your tests in CI is as easy as running tests locally. With built-in parallelization and load balancing.


Record tests

Record CI test data, screenshots, and video - and view aggregated, next-level insights in Cypress Cloud.

About Cypress

Cypress is the new standard in front-end testing that every developer and QA engineer needs.

With millions of downloads and users in over 90 countries, Cypress is the leader in browser-based test automation for the modern web. Cypress enables developers and enterprises to easily, quickly, and accurately test anything that runs in the browser, empowering developers to build modern web applications faster, better.


Github IconTwitter IconLinkedIn IconFacebook IconYoutube Icon
© 2022