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 5624 reference ratings
4.7/5.0 (5624)
  • Fall 2025 Market Leader Content Marketing Software
  • Summer 2025 Market Leader A/B Testing Software

More from Optimizely

Featured Testimonials

  • "We were initially doing some fairly blunt segmentation based on what we knew of someone's sector or their location. With recommendations, that moved to be a much more personalized view; …

  • "It has been remarkable that we have essentially built three years of capability in three months."

  • "We’ve built a site for the needs of our customers. When I look at our competitors, I can see they’ve been on this journey a lot longer than we have …

Featured Case Studies

  • KappAhl converts physical customers to online shoppers

  • Fullscreen builds products that keep you on the edge of your seat

  • How SFI Health centralized campaign planning and scaled content production to drive …

Featured Customer Videos

  • TPG Telecom - Customer Success Story(Rikard Stolz - Head of Design & Digital Labs)
  • Autotrader uses Optimizely to adapt to changing consumer behavior and deliver a better digital experience
  • Sky Perfects its Help Center Experience with Optimizely

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.