Better font Smoothing for Chrome and Safari
You'd think that by now we'd have fonts for the web figured out, but even in 2015 it's difficult for web designers to implement universal font smoothing. Every browser renders font in their own sometimes jagged or blurry way, since when it's the right way it's unnoticed.
Here's a link to more about the problem and some solutions to better font smoothing and subpixel rendering.