I'm working on a visually lossless optimization tool [1] and could reduce the images a bit further from 20.8MB to 16.11MB (-22.6%). But you're right, hidpi imag

I'm working on a visually lossless optimization tool [1] and could reduce the images a bit further from 20.8MB to 16.11MB (-22.6%). But you're right, hidpi images is the main cost factor, adding an srcset polyfill would be a good measure. [1] http://getoptimage.com http://getoptimage.com