How to Make Web Content Look Stunning on iPhone 4's Retina Display

How to Make Web Content Look Stunning on iPhone 4's Retina Display:

Aral Balkan's tutorial includes a number of helpful resources, as well as a petition to browser vendors:

I'd like to suggest that browsers adopt the same naming convention that Cocoa Touch uses to find and load high-DPI versions of image and video assets. That is, if I embed an image using the following code…

… it should load in flower.jpg when the device-pixel-ratio is 1 but it should attempt to find an image called...