4 ms·You use optipng, which this site just wraps.by kcbanner 12y agoYou use optipng, which this site just wraps.slowmotiony 12y agoWhat about JPEGs?rast-a 12y agoFor bigger images the quality always gets downgraded to 80 and Huffman tables are optimized. For smaller ones the quality differs so he's using a tool to automatically pick the right quality. @wouwi: what's the tool used for JPEGs?wouwi 12y agojpegoptim and jpegtran