Internationalize your WordPress multisite. Your users can use their local language as sub-domainname or sub-path in your wordpress multisite.
1) Domain-based network WordPress multisite:
Default WordPress multisite only allow user use English letters and numbers as sub-domainname.
With this plugin, your users can use their own local language as sub-domainname. e.g.
Main site domainname: blogs.com
User blog use sub-domainname:
If your main site domainname use IDNs, then the users sub-domainname will be:
2) Path-based network WordPress multisite
your users can use their own local language as path-name. e.g.
3)Restrict the sub-domainname and path name length
Default WordPress multisite only allow user choose more than 4 characters as sub-domainname or path name.
With this plugin, you can change it in network admin side, both max length and min length.