Erratic response times

Anyone else experiencing this

Sometimes I get timeouts, other times site not found, and other times I'll get a response - eventually. If I try again its usually back to normal. Can happen when I click a thread, submit a post, use something like Mark forum read, and its not limited to any particular MR forum. Erratic is the 'key word'.

Been happening for several days, and it's not happening on other sites.

Sod's Law say it will stop happening now.

BR