Optimizely vs Progress Sitefinity
Side-by-side from the Top 11 rankings of Optimizely vs VWO vs AB Tasty: 11 Best A/B Testing Tools 2026 and Adobe Experience Manager vs Sitecore vs Optimizely: 11 Best Digital Experience Platforms (DXP) 2026. Last verified June 13, 2026.
The short answer
Optimizely ranks higher on Top 11 (#1 vs #10) 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
| Optimizely | Progress Sitefinity | |
|---|---|---|
| Top 11 rank | #1 / Optimizely vs VWO vs AB Tasty: 11 Best A/B Testing Tools 2026 | #10 / Adobe Experience Manager vs Sitecore vs Optimizely: 11 Best Digital Experience Platforms (DXP) 2026 |
| Score (out of 9.4) | 9.2 | 7.9 |
| Best for | Enterprise-scale experimentation | Marketer-friendly .NET CMS |
| Pricing | $$$$$ (Custom enterprise plans) | $$ (from $15,000/yr) |
| HQ | New York, USA | Burlington, USA |
| Founded | 2009 | 2004 |
Optimizely
The enterprise standard for its powerful stats engine and full-stack experimentation features.
www.optimizely.comSee full entry in Optimizely vs VWO vs AB Tasty: 11 Best A/B Testing Tools 2026
Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.