This is an area where Node shines. I'm tackling this now through Gulp and ImageOptim and It's the most reliable solution I've found. Tip : As I (and most people

This is an area where Node shines. I'm tackling this now through Gulp and ImageOptim and It's the most reliable solution I've found. Tip : As I (and most people) tend to mess with Gulp files, I've isolated the task to process the images from the other frontend optimisations.