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 5191 reference ratings
4.7/5.0 (5191)
  • Market Leader 2025 2025
    Fall 2025Market LeaderContent Marketing Software
  • Market Leader 2025 2025
    Summer 2025Market LeaderA/B Testing Software

Featured Testimonials

  • "We wanted to make a statement with our change of mindset. We wanted to onboard the best available tool for experimentation, which will allow us to push the boundaries of what's possible."

  • "Experimentation is still new on the operations side, but with tools like Optimizely, it's easier to integrate it into the product process. On the product side, data is a hundred percent essential. We recently hired a designer who's brilliant with data, and we're constantly debating it—exactly the kind of person we need."

  • "The Optimizely One platform allows us to create a really immersive experience for the customer using our commerce platform and CMS, then apply web experimentation to help us test those customer journeys quickly and effectively, and roll out that new customer experience."

Featured Case Studies

  • Website Optimization Yields a Six-Figure Impact in Online Revenue

  • Hisco sees 80% fewer touch points required per online order

  • SRA implements change control and content approvals

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.