Some jsfiddle or codepen examples would make this much more readable. Kind of tedious to inspect source to pick out the relevant bits for each approach to compa

Some jsfiddle or codepen examples would make this much more readable. Kind of tedious to inspect source to pick out the relevant bits for each approach to compare. But I guess this article was written for people who are already deeply familiar with these problems/techniques. For example acronyms for flash of unstyled text / flash of invisible text were never defined. And I have never even heard of FOFT.