> I don't think that drawing a rectangular box with text in it should be slow It is. Because you don't draw rectangles in HTM/CSS, it's not low-level enough fo

> I don't think that drawing a rectangular box with text in it should be slow It is. Because you don't draw rectangles in HTM/CSS, it's not low-level enough for that. You have a system that was designed to display one page of text in one pass that has complex contradictory layout rules grafted on top of it. So now if you even look at it funny it needs to re-layout and re-draw the entire page. There's a reason why you still can't animate height:auto