Optimizely

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Read 290 Optimizely reviews and testimonials from customers, explore 363 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.

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  • 290 Testimonials View
  • 363 Case Studies View
  • 203 Customer Videos View
Customer Rating Review Score based on 5577 reference ratings
4.7/5.0 (5577)
  • Fall 2025 Market Leader Content Marketing Software
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  • Summer 2025 Market Leader A/B Testing Software
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Featured Testimonials

  • "ANBL was facing strong pressure to launch and support a complete new line of business in less than 6 months. The challenging timeline to meet imposed federal government legal deadline …

    Dwayne Chase Director of Information Technology

  • "Finding a partner that you can trust is key, and we found that in Optimizely. The new site is a big improvement for customer experience and the way Laerdal communicates."

    Pål Oftedal Director Marketing Communications

  • "Data Platform gives us the ability to find the right people to message to. It's rare to find a platform that allows you to take a customer-centric view rather than …

    Jurgen Nebelung Vice President of Ecommerce and Digital
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Featured Case Studies

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

    Emilia Doerr Marketing and Communications Manager

  • How TestEquity increased daily quote requests by 100%

    Jeff Hileman Director of eCommerce

  • HP innovates with an experimentation center of excellence

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Featured Customer Videos

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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 363 businesses that use Optimizely.

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

FeaturedCustomers has 1,910,459+ validated customer references including reviews, case studies, success stories, customer stories, testimonials and customer videos that will help you make better software purchasing decisions.