I spent the last month using VWO, and despite the website needing a slight Web 2.0 visual update, it has been a good experience.
I'm now getting started with Optimizely and the biggest thing I miss is Video demos. I also liked that VWO had a much smaller JS file with the option to remove Jquery. Fix this Optimizely, I don't need to load Jquery twice!
If you have your own version of jQuery running on your site, you can have Optimizely exclude jQuery from the project bundle. Check out this for more info:
I'm now getting started with Optimizely and the biggest thing I miss is Video demos. I also liked that VWO had a much smaller JS file with the option to remove Jquery. Fix this Optimizely, I don't need to load Jquery twice!