Internationalize WordPress (IntlWP)

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. g.

com

User blog use sub-domainname:

com (Chinese)

com (Japanese)

com (Korean)

com (Russian)

…

If your main site domainname use IDNs, then the users sub-domainname will be:

中国 (Chinese)

日本 (Japanese)

한국 (Korean)

РФ (Russian)

…

2) Path-based network WordPress multisite

your users can use their own local language as path-name. g.

com/我的/ (Chinese)

com/私の/ (Japanese)

com/나의/ (Korean)

com/мой/ (Russian)

…

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.