After Google upgraded Gmail last month, my Gmail began to frequently freeze. This mainly occurred after sending a message, but it happened at other times, too.
I read a few posts back the (sorry, I forget which ones) that said the workaround is to go into Gmail then click on "Older Version". It was said that there was no way to set the "Older Version" as a default.
Well, there is, and it's really easy. Instead of going to http://www.gmail.com, just set your links to go to the URL of the "Older Version" which is http://mail.google.com/mail/?ui=1