I have had times when the forum wouldn't load or refresh but then it worked in a minute or two. There's a lot of places the program signal goes to and through before it appears on your screen. Any of those could cause a issue or delay.
Think of it this way, if it was a Forum issue, everyone on Joey's 10 forums would be experiencing an issue. I'm not a computer geek but I do know there are a lot of places your computer can get overloaded and it makes it slow. Some websites are affected more than others. You may benefit from something as simple as shutting down and restarting your computer. May be a virus scan or Malwarebytes to clean things up a bit.
