This is one of the optimizations mod_pagespeed makes by default: https://developers.google.com/speed/pagespeed/module/filter-image-optimize#strip_image_meta_dat

This is one of the optimizations mod_pagespeed makes by default: https://developers.google.com/speed/pagespeed/module/filter-image-optimize#strip_image_meta_data https://developers.google.com/speed/pagespeed/module/filter-... There's not usually much EXIF text but it isn't gzipped so it's more expensive than need be. This is the kind of tweak that's not really worth doing on its own but when you're already optimizing the image you might as well do this too.