On 21/11/13 13:07, Mateus Souza wrote: > <img src="large.jpg" media="screen and (min-width: 800px)"... > <img src="small.jpg" media="screen and (max-width: 300px)"... This appears cause multiple images to load in the case that this feature isn't supported (i.e. in all current browsers). That isn't an acceptable fall back behaviour.