Optimizely is the world’s leader in Progressive Delivery and Experimentation. Its platform includes technologies for modern software development, such as feature flags, A/B testing at scale, AI-powered personalization, and streaming analytics. Millions of experiments and feature flags have been run on the Optimizely platform to understand what works - and what doesn’t - eliminating guesswork.

The Optimizely app from Contentful offers a simple way to run experiments with content, helping you make smarter data-backed decisions. Marketers can optimize content, obtain better insights, and iterate continuously without leaving Contentful.