The US-based website testing company set up by former Google product managers wins backing from the US-based search engine's corporate venturing unit.

US-based search engine Google’s corporate venturing unit has helped Optimizely, a US-based website testing company, raise its latest round.

Google Ventures was joined in the round by venture firms Battery Ventures and InterWest Partners. Optimizely said its level of adoption by the top 10000 global websites was higher than Google Website Optimizer and added it was "on pace to surpass" Omniture Test & Target later this year, another rival.

The company said it has more than 2000 enterprises using its…