if you have a fast connect, such as T1, cache is more of a nuissance than a help. you can try to disable it completely, or at least set it to clear at end of session.
(hide) If you are waiting for your turn, click on "change" next to the "refresh" on the main page, then set refresh the page to 30 seconds to get your turn to move displayed faster. (Servant) (show all tips)