The big strength of Convertize for me is how intuitive it is to use. It is actually fun to build A/B tests and understand the results.
Overall, it has been very easy to use so far and their customer support is superb. They answer questions through their integrated chat almost immediately.
Convertize offers an excellent product and very thorough, well-researched content to help marketers make informed optimization decisions.
After struggling with getting conversions for quite some time, I found scenario.
Sometimes, and just sometimes, the global javascript box gives you some trouble.