No go for me. Firefox and Google Chrome.
ETA I've noticed their site could be faster, it was down once when I called Customer Service about something else and they offered to let me know when it was up again. I'd say try again in a while.
Cheating is an option. . . . Cheaters never win and winners never cheat, but smart knitters who want to retain an iota of sanity do, cheerfully. ~~Kory Stamper