<!-- iPhone -->
<link rel="apple-touch-startup-image"
      media="(device-width: 320px)"
      href="apple-touch-startup-image-320x460.png">

<!-- iPhone (Retina) -->
<link rel="apple-touch-startup-image"
      media="(device-width: 320px)
         and (-webkit-device-pixel-ratio: 2)"
      href="apple-touch-startup-image-640x920.png">
<!-- iPad (portrait) -->
<link rel="apple-touch-startup-image"
      media="(device-width: 768px)
         and (orientation: portrait)"
      href="apple-touch-startup-image-768x1004.png">
<!-- iPad (landscape) -->
<link rel="apple-touch-startup-image"
      media="(device-width: 768px)
         and (orientation: landscape)"
      href="apple-touch-startup-image-748x1024.png">
<!-- iPad (Retina, portrait) -->
<link rel="apple-touch-startup-image"
      media="(device-width: 768px)
         and (orientation: portrait)
         and (-webkit-device-pixel-ratio: 2)"
      href="apple-touch-startup-image-1536x2008.png">
<!-- iPad (Retina, landscape) -->
<link rel="apple-touch-startup-image"
      media="(device-width: 768px)
         and (orientation: landscape)
         and (-webkit-device-pixel-ratio: 2)"
      href="apple-touch-startup-image-1496x2048.png">