Optimizely

Optimizely is one of the most well-known providers of digital experimentation and experience optimization software for enterprise and mid-market businesses. Founded in 2010, the company has built a reputation for helping marketing, product, and development teams test and improve digital experiences across websites, mobile applications, and other digital touchpoints. With a global top 1000 traffic rank, the platform serves thousands of customers across a wide range of industries, from retail and e-commerce to technology, finance, and media. Optimizely's core offerings enable teams to run A/B tests, multivariate tests, feature flags, and personalization campaigns to improve user engagement, conversion rates, and overall business performance. The platform integrates with a wide range of popular marketing, analytics, and development tools, making it flexible to fit into existing organizational tech stacks. Over its 16-year history, Optimizely has evolved from a small startup focused exclusively on website A/B testing to a full-stack digital experience platform, expanding its capabilities to include cloud-based content management and audience personalization alongside its original core experimentation tools. The company serves many Fortune 500 companies and is widely recognized as a pioneer in the digital experimentation space, helping organizations across industries adopt data-driven approaches to product development and customer experience strategy. Its position as the 649th most visited website globally reflects its large, active customer base and widespread use among digital teams around the world.