The original web experimentation platform, now a full digital experience suite.
Optimizely pioneered client-side A/B testing and has since expanded into content management, personalisation, commerce and feature experimentation. Its Web Experimentation product still offers the most mature visual editor for marketers running tests without engineering involvement.
Best for
Quote on request
Quote onlyFree tier: No free tier.
What drives the bill: Enterprise annual contracts, commonly in the tens of thousands and up. Priced by traffic and modules.
Check current pricing on Optimizely’s siteFigures are indicative and were last reviewed August 2026. Vendors change pricing often; confirm before you commit.
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