The weird thing is it used to be less of a problem, because people used the damned height and width attributes in the img element. So the browser could calculat

The weird thing is it used to be less of a problem, because people used the damned height and width attributes in the img element. So the browser could calculate the dimensions before and lay the document out correctly before the slow loading images came in. Now people largely ignore them, use publishing tools that don't bother, and dynamically build pages with garbage scripts instead of having a sane document already marked up.