TIP - Low Quality

To speed up the game, right click on the flash window, select quality then select low.
This will increase the speed of the game and reduce lag.

Yeah, this is definitely worth it, get into the habit of doing it while it loads.

also changing to a server with less people on helps to

well also, sometimes it is better to have less windows up on your computer at once, and you might want to try to connect to a new network with your router.