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 5062 reference ratings
4.7/5.0 (5062)
  • Market Leader 2025 2025
    Summer 2025Market LeaderA/B Testing Software
  • Market Leader 2024 2024
    Fall 2024Market LeaderContent Marketing Software

Featured Testimonials

  • "I see a very good support from Optimizely. I would really have to applaud Optimizely for the support. It's very valuable that we have someone to hold our hands when we implement a new tool like this."

  • "It’s surprising just how much can be achieved using Optimizely’s visual editor."

  • "Optimizely B2B Commerce Cloud has a ton of strong B2B features right out-of-the-box. The platform solves very complex challenges and enables us to better serve our customers."

Featured Case Studies

  • D'Addario delights audiences through personalization

  • UniSA students were looking to engage in different ways

  • Alm. Brand - Customer Case Study

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.