Optimizely vulnerability lets you see what sites is testing(venturebeat.com)
venturebeat.com
Optimizely vulnerability lets you see what sites is testing
http://venturebeat.com/2014/06/02/optimizely-vulnerability-lets-you-see-what-other-sites-are-testing/
> "Masking Descriptive Names - This option masks the descriptive names for experiments, variations, audiences, sections, and segments with numerical IDs."
(From their email to users on June 6th.)
So in case you're worried, this is no longer an issue.