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Optimizely

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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.

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  • 290 Testimonials View
  • 387 Case Studies View
  • 203 Customer Videos View
Customer Rating Review Score based on 5763 reference ratings
4.7/5.0 (5763)
  • Summer 2026 Market Leader A/B Testing Software
  • Fall 2025 Market Leader Content Marketing Software

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290Testimonials

  • "Our customers were comparing us to the big box stores, expecting a high level of functionality for the ordering and delivery of our products and services. We needed to partner …

  • "Thanks to Optimizely, we tripled the revenue from our product over the last 3 years. This would not have been possible without A/B testing."

  • "Our new website, which gathers all our brands on a shared platform, is a strategic milestone in the evolution of Etac. We’ve successfully achieved our goal of creating a modern …

289 more testimonials currently locked

387 Case Studies

  • The Jockey Club enhances checkout, personalization, and engagement with Optimizely and docraft

  • Living Spaces increases average order value by 22%

  • Code.org Generates 15 Million Online Participants in Five Days

386 more case studies currently locked

203 Customer Videos

  • Responding to changes in B2B commerce with a flexible platform
  • Perpetual - Customer Success Story(Martin Whelan - Head of Marketing & Brand)
  • Royal Canin - Customer Success Story (Ashley Peth - eBusiness Product Lead)
202 more videos currently locked

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.