You may have noticed over the last several weeks that sometimes pages on the site just won'tload, or they take forever to load.
I've been looking into it, and what it appears is happening is we're suffering from success.
I run a few sites and they all live on the same server, and it appears that more and more often we're reaching a 500 concurrent connection ceiling across the websites. So we've made some adjustments to prevent the site from hanging, and hopefully that'll make the problems go away.
Sorry for any inconvenience this has caused.