Google Content Experiments Review
Ranked in these QuestionsQuestion Ranking
Pro Supports multi arm bandit
MAB is a lot more efficient than traditional split testing.
Pro Provides full control for developers
Con Not easy to use for non technical users
Con Each experiment requires a separate url
GCE requires two different URLs for two different experiments. For example, in a case of multidomain multilanguage sites (such as en.site.com, de.site.com) n*2 experiments are required for split testing for n languages. Combining results requires scripting around google panel.