What could be the reason for im chat to be slow, when you open the chat it takes 60s to get open, and when you send a message it takes between 50 to 65 seconds to send a message, also things you send doesn't appear on the chat after those 60 seconds, it used to work ok, a some week ago it begun to work too slow, the long polling it's taking up to 60 seconds to send/reflect its work(?) any idea?

ps: when you reload the page it show messages that were sent, if you don't reload it takes up to 60 seconds to show the message.