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 5106 reference ratings
4.7/5.0 (5106)
  • Market Leader 2025 2025
    Fall 2025Market LeaderContent Marketing Software
  • Market Leader 2025 2025
    Summer 2025Market LeaderA/B Testing Software

Featured Testimonials

  • “We have a cycle of analyzing site data and customer surveys, planning groups of experiments to solve problem areas of the funnel and then we prioritize and execute two-week experiments to tackle each part of the funnel.”

  • "We want to rapidly prune out the ideas that will lower conversion. If we put something out in production that doesn’t seem to be working, we want to get rid of it quickly."

  • "We're in a world now where you can't wait a whole day to get your data. This has been a huge boon for the growth of our business."

Featured Case Studies

  • Optimizely Digital Experience Platform provides confidence in globalization platform

  • Young Specialties drives online adoption with B2B Commerce Cloud

  • Furniture retailer Blu Dot partners with Clearhead to build a thriving, optimization-driven business Customers

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 363 businesses that use Optimizely.

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