This is important in the future for me. Right now, I have a few forums which have a Spanish and Russian category and another site for my forum but in French.
Languages is about power politics first, then ease.
Ask yourself, what will this language be associated with today and in the future?
Have you considered having a forum that has a “Request a language” section?
Which language do you use for the title, though?
You’d need a language everyone recognizes no matter what their primary language is, and one that anyone could get a translation for should they run it through any given translation app…
Sindarin fits all the parameters thanks to Peter Jackson’s contributions to spreading the language to every single major region.
Esperanto
He already has Spanish
Serve your users. What languages do they speak / understand? Cater for those languages first.
