I'm using google chrome, but it doesn't work for me. Suggests using Google Chrome, because webGL. Chrome 55
I am running chromium on linux, and get
Hmm. While your browser seems to support WebGL, it is disabled or unavailable. If possible, please ensure that you are running the latest drivers for your video card.
I think I never bothered to install proper graphics drivers..
Chrome Version 55.0.2883.95 (64-bit) macOS Sierra 10.12.2
putting this in the address bar can give you a lot of info as well "chrome://gpu"