The Twitter button is being mega slow, just press stop and the page should load :) I'll look into getting loading those after the rest of the page is done!
You should just look into using AddThis, which allows you to load their script async and it'll load itself once the DOM is ready:
Nice find, but I find it kind of ironic that the page took about 10 seconds to finish loading from the other non-async scripts the author has on that page :)