twitch.tv broken by rule for justin.tv
When using the HTTPS Everywhere extension, one must disable the rule for justin.tv in order to view channels on twitch.tv. Many people have reported this issue here: http://help.twitch.tv/customer/portal/questions/5754324-twitch-website-frequently-grey-with-only-the-twitch-logo-in-the-center-
I think this rule should be disabled by default.