VWO supports integration with both Classic Google Analytics (GA) and Universal Analytics (UA). We now have two detailed articles explaining both the integrations.
Making CTA more relevant increased conversions by...November 22nd, 2013
Removing a Line From Header Image Effected 7.8%...March 26th, 2015
Killer Headline Beats Image Slider: An Estimated Win...August 21st, 2014