Optimizely

Premium
Read 290 Optimizely reviews and testimonials from customers, explore 387 case studies and customer success stories, and watch 203 customer videos to see why companies chose Optimizely as their A/B Testing Software

Optimizely is the world’s leading experience optimization platform, providing website and mobile A/B testing and personalization for the world’s leading brands. The platform’s ease of use and speed of deployment empowers organizations to conceive and run experiments that help them make better data-inspired decisions. Optimizely meets the diverse needs of thousands of customers worldwide looking to deliver connected experiences to their audiences across channels. To date, those customers have created and delivered more than 30 billion optimized visitor experiences.

Show more
Categories:
Show more
  • 290 Testimonials View
  • 387 Case Studies View
  • 203 Customer Videos View
Customer Rating Review Score based on 5907 reference ratings
4.7/5.0 (5907)
  • Summer 2026 Market Leader A/B Testing Software
  • Fall 2025 Market Leader Content Marketing Software

More from Optimizely

Featured Testimonials

  • “At Fullscreen, our approach is unique in that we have created an entertainment experience around young social media stars whose fans are insanely dedicated and want to be a part …

  • "The video default was selling, but you always want to be testing."

  • "As MHS grew through acquisitions it was important that our web presence reflected our new, full service capabilities. We needed a website that communicated who MHS is now. It was …

Featured Case Studies

  • SeaWorld delivers step change in customer experience through relentless experimentation

  • Amtrak Pacific Surfliner increases referral traffic nearly 50% YoY with award-winning website

  • Wex Photo Video blends physical and digital platforms

Featured Customer Videos

Additional Optimizely Information & Resources

Read Optimizely Reviews, Testimonials & Customer References from 290 real Optimizely customers.

Browse Optimizely Case Studies, Customer Success Stories, & Customer References from 387 businesses that use Optimizely.

Watch Optimizely Customer Videos to learn why 203 businesses chose Optimizely.