But they seem to allow pages behind some kind of login see http://support.optimizely.com/customer/portal/articles/437308-how-do-i-create-an-experiment-on-pages-

But they seem to allow pages behind some kind of login see http://support.optimizely.com/customer/portal/articles/437308-how-do-i-create-an-experiment-on-pages-that-require-a-login-or-intranet-pages- http://support.optimizely.com/customer/portal/articles/43730...