>They are supported on just about every device and platform
Except they aren't. I recently used a simple SVG in a background and Safari wasn't able to render it properly so after trying lots of different things I gave up and used different sizes of raster images instead.
Except they aren't. I recently used a simple SVG in a background and Safari wasn't able to render it properly so after trying lots of different things I gave up and used different sizes of raster images instead.