Optimizely vs Xperience by Kentico

Side-by-side from the Top 11 rankings of The 11 Best A/B Testing Tools (2026) and The Top 11 Digital Experience Platforms (DXP) in 2026. Last verified June 13, 2026.

The short answer

Optimizely ranks higher on Top 11 (#1 vs #9) for Growth teams running experiments / CMOs, digital experience leads, and marketing operations at mid-market and enterprise companies. The enterprise standard for its powerful stats engine and full-stack experimentation features.

At a glance

OptimizelyXperience by Kentico
Top 11 rank#1 / The 11 Best A/B Testing Tools (2026)#9 / The Top 11 Digital Experience Platforms (DXP) in 2026
Score (out of 9.4)9.28.1
Best forEnterprise-scale experimentationMid-market .NET marketers
Pricing$$$$$ (Custom enterprise plans)$$ (from $25,000/yr)
HQNew York, USABrno, Czech Republic
Founded20092004

Optimizely

The enterprise standard for its powerful stats engine and full-stack experimentation features.

www.optimizely.com

See full entry in The 11 Best A/B Testing Tools (2026)

Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.