I have this symptom I think, but only on my laptop (1.6GHz processor running Linux Mint, Chromium browser). It's painfully slow, and tends to fill my text on a delay after I type it. It screeches to a halt when the server auto-saves a draft, MIGHT say that the page is non-responsive, then suddenly catches up. I think it's more on my end than the server. This machine takes time to do much of anything other than word processing. If I turn off scripts for satelliteguys.us it's one of the easier-to-browse sites, but then there's nowhere to type a reply.
This is only a temporary problem until I'm moved and on my regular PC again.