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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  • 290TestimonialsView
  • 363Case StudiesView
  • 203Customer VideosView
Customer Rating Review Scorebased on 5140 reference ratings
4.7/5.0 (5140)
  • Market Leader 2025 2025
    Fall 2025Market LeaderContent Marketing Software
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  • Market Leader 2025 2025
    Summer 2025Market LeaderA/B Testing Software
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Featured Testimonials

  • "Without CMP, you’re looking at emails, teams' messages, notes and more. Using CMP is Hunter committing to the digital age and wanting to do it in a better way."

    Tommy MaitzDirector of Marketing

  • "On our interactive web chat, people are asking about ingredients, about certain things on the chocolate that's important for them. So, it's really something that we take in account.”

    Kelly NotterdamHead of Ecommerce

  • "Layercake has been instrumental in getting JAX to where we are today. The team was always professional and responsive, ready to go above and beyond whenever required. We are thrilled with the outcome of the upgrade and look forward to continuing our partnership with Layercake to enhance our digital offering into the future."

    Ashlie AgiusHead of Product & Marketing
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Featured Case Studies

  • Channel 4 A/B test their way to primetime success using Optimizely

    Laura SheltonOptimisation Manager

  • Mayrand increases page views by 119%

    Sophie SchwartzMayrand Entrepôt d'Alimentation

  • How OnPoint Energy utilise Optimizely’s Customized Commerce platform to help bring order to the chaotic energy market in Texas

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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 1,856,415+ validated customer references including reviews, case studies, success stories, customer stories, testimonials and customer videos that will help you make better software purchasing decisions.