Optimizely Web Experimentation vs. Optimizely Feature Experimentation

Optimizely Web Experimentation enables marketers and product teams to run fast, scalable experiments and personalization campaigns—without heavy dependence on engineering resources. Easily test user interactions, refine digital experiences with data-backed decisions, and leverage edge delivery for lightning-fast experimentation. AI-powered agents to help you along the way as well. Optimizely provides a unified workspace where experimentation teams can seamlessly manage, collaborate, and gain full visibility into their testing programs.

Optimizely Feature Experimentation is a full-stack experimentation and feature management platform built for product, engineering, and data teams. Run A/B and multivariate tests across web, mobile, and server-side environments from a single SDK. Feature flags, audience targeting, and real-time results all come built in. The Stats Engine supports multiple statistical methods, including sequential testing, Bayesian, and frequentist (fixed horizon), so teams can choose the approach that fits their traffic, goals, and decision-making style.