Looking for proven experience in language sites. Can you provide recommendations on which you feel is the best strategy and comment why? 1. Sub-Folder - domain.com/en and domain.com/it/, etc. 2. Sub-Domain - en.domain.com and it.domain.com, etc. 3. ccTLD - domain.com and domain.it, etc. What are the advantages and disadvantages of the options above? Did you use one strategy then switch to find better results with another? Other ideas or experiments? Thanks!