[lowboy]

Vector images are fine for larger or very simple elements, but we're not at a point where we can rely on them for icons.

http://www.pushing-pixels.org/2011/11/04/about-those-vector-...

[masklinn]

Especially since SVG is not hintable, so this won't be fixable until either SVG is fixed or SVG is replaced.

[damirkotoric]

Good point. What you can do though, is to use media queries to load up different SVGs based on the screen resolution of the device. With a progressive enhancement approach you would load up the icons minimized for small displays by default, then work your way up.