Optimizely vs Acquia

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 #4) 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

OptimizelyAcquia
Top 11 rank#1 / The 11 Best A/B Testing Tools (2026)#4 / The Top 11 Digital Experience Platforms (DXP) in 2026
Score (out of 9.4)9.28.8
Best forEnterprise-scale experimentationDrupal shops wanting managed DXP
Pricing$$$$$ (Custom enterprise plans)$$$ ($30,000+/yr)
HQNew York, USABoston, USA
Founded20092007

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.