What are the benefits of uploading a zipped folder?
First of all, if you have many files to upload, it is easier and faster to directly upload a folder rather than upload the single files one by one. Moreover, uploading a compressed folder allows to keep exactly its internal structure, for example its subfolders.
See the following FAQ in order to know how to upload a compressed folder: Can I upload more than one file at once?
(last update: 25.07.2018)