The PNG size seems to be misrepresented. The actual PNG is 637273 bytes when I download it, and 597850 if I recompress it to make sure we're not getting fooled

The PNG size seems to be misrepresented. The actual PNG is 637273 bytes when I download it, and 597850 if I recompress it to make sure we're not getting fooled by a bad PNG writer. So instead of the reported 916KiB we're looking at 584KiB. This doesn't change the overall point, but details matter. $ wget https://sidbala.com/content/images/2016/11/FramePNG.png --2016-11-04 22:08:08-- https://sidbala.com/content/images/2016/11/FramePNG.png Resolving sidbala.com (sidbala.com)... 104.25.17.18, 104.25.16.18, 2400:cb00:2048:1::6819:1112, ... Connecting to sidbala.com (sidbala.com)|104.25.17.18|:443... connected. HTTP request sent, awaiting response... 200 OK Length: unspecified [image/png] Saving to: ‘FramePNG.png’ FramePNG.png [ <=> ] 622.34K --.-KB/s in 0.05s 2016-11-04 22:08:08 (12.1 MB/s) - ‘FramePNG.png’ saved [637273] $ pngout FramePNG.png In: 637273 bytes FramePNG.png /c2 /f5 Out: 597850 bytes FramePNG.png /c2 /f5 Chg: -39423 bytes ( 93% of original)