Optimizely Gains $28M More For Website A/B Testing Service

San Francisco-based Optimizely, which develops website A/B testing software, said this morning that it has raised $28M in a funding round. The funding was led by Benchmark Capital, and also included Bain Capital Ventures, Battery Ventures, InterWest Partners, and Google Ventures. The firm said the company now has an annual revenue growth rate of over $400%, with a run rate in the "double digit" millions. Optimizely is led by former Google product managers Dan Siroker and Pete Koomen. More information »