If everything on the page is slow to load, then I would agree. Twitter is such a crazy outlier that I can't even imagine what they have to deal with. In a usual

If everything on the page is slow to load, then I would agree. Twitter is such a crazy outlier that I can't even imagine what they have to deal with. In a usual case you'd get a rare 1-2 slow retrievals, and the rest of the page can show up immediately.