No. I was assuming that this blog post was about compressing PNG files for general use on web sites, but apparently that is not the case. He didn't actually sta

No. I was assuming that this blog post was about compressing PNG files for general use on web sites, but apparently that is not the case. He didn't actually state in the blog post what he was using the images for, but he says in a comment here that they need to be lossless. Usually that's not the case. JPEG works better for getting small sizes on photos for the web.