Xkcd, ironically, has an even more common hiccup with domains. Notice the https:// https:// . This makes every style and background stuff break on browsers that

Xkcd, ironically, has an even more common hiccup with domains. Notice the https:// https:// . This makes every style and background stuff break on browsers that enforce HTTPS consistency because these are served from "imgs" subdomain, which doesn't have SSL and/or has a hard coded http:// http:// in the template.