https://techcrunch.com/2020/09/03/episerver-acquires-optimizely/

Episerver is announcing that it has reached an agreement to acquire Optimizely for an undisclosed sum.

Optimizely was founded in 2009 by Dan Siroker and Pete Koomen. It became synonymous with A/B testing, subsequently building a broader suite of tools for marketers to experiment with and personalize their websites and apps, with more than 1,000 customers including Gap, StubHub, IBM and The Wall Street Journal.