seems to be broken, as it doesn't show anything apart from empty field and "Authenticate" button.
Warsow ex-developer, vk.com/tdm102, thefragz.ru
We're currently doing maintenance on quakeworld.nu servers which may cause some sites (including sub-sites) to be unreachable from time to time. We're working on fixing this as soon as possible.
IRC went Discord -> join the chats @ discord.quake.world