One of the few truly interesting articles on Smashing Magazine about optimizing pngs for their filters. It shows that yes, the filters are really a huge part of

One of the few truly interesting articles on Smashing Magazine about optimizing pngs for their filters. It shows that yes, the filters are really a huge part of how pngs get compressed: http://www.smashingmagazine.com/2009/07/15/clever-png-optimization-techniques/ http://www.smashingmagazine.com/2009/07/15/clever-png-optimi...