Optimizely Blog

Grow your Optimization and A/B testing skills

Changing One Word Nets 65% Increase in CTR for Vitals


They say a picture is worth a thousand words. But what is the potential value of a single word? Today, we are thrilled to share a guest post from Optimizely user Vitals, whose recent testing success story may shed a little light on the matter. Every day, a wide variety of A/B Testing experiments are […]

New Features, New Places and New Faces


Well, its been a while since a healthy update – pardoning the delay, we have much to report. We have been hard at work at Optimizely and are excited to announce a couple of new features and a handful of other exciting tidbits. Saved Goals Today, Optimizely users can begin taking advantage of our new […]

Financial Times: Silicon Valley gets more political business


Earlier today the Financial Times published an article about Silicon Valley businesses being used by the 2012 political campaigns: Four years ago, Dan Siroker sat behind a computer in Chicago at Barack Obama’s 2008 campaign headquarters, developing the first website testing system ever used in a presidential campaign. He wanted to see if a picture […]