First, the canvas element does not work everywhere (http://caniuse.com/canvas http://caniuse.com/canvas). Also, canvas is faster in Chrome. For instance, here

First, the canvas element does not work everywhere (http://caniuse.com/canvas http://caniuse.com/canvas). Also, canvas is faster in Chrome. For instance, here is one benchmark about layered canvases (sigma.js actually layers different canvases): http://jsperf.com/layered-canvases/9 http://jsperf.com/layered-canvases/9 So, it is actually "best viewed in Google Chrome", despite it is indeed standards compliant.