Not really large, it can make some time to load sometimes but with last chrome or last firefox, users should not have problems using webgl and so this demo.
The only problem i found is a Iphone4 last iOS webgl enabled Iphone which doesn't load the webgl part of this demo.
Verify please if your "webgl feature is enabled" in chrome using the following syntax in adress bar
and test webgl using this link -> tutorial 6 - copperlicht
, i use the same example in my demo.naelian2012-06-05 23:36:14