I would like to know how can we do to have very sharp images for retina display. I have disable the media compression on wordpress but still have a little blur on text. What is the best way to get very sharp image ( that include text ) with fullscreen slider. Currently, i am uploading picture 2x size (72 dpi ) that it should be, but the size of the images will also depends the size on the screen of my visitor.
Need some advices :)