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Re:Progressive JPEGs: a new best practice by aerobson on Sunday December 30, 2012 @10:35AM (#4985943)
Why do you say Preferably in the HTML? Just curious. I vaguely recall there was a reason.
Re:Progressive JPEGs: a new best practice by johncoltrane on Sunday December 30, 2012 @02:24PM (#4986792)
Because it has been the standard way for a long time.

And because it allows browsers to make room for the image and avoid reflowing.