I'm experiencing excessive loading times and my browser freezes occasionally...
Increase Java memory settings:
Empty Safari Cache:
Safari -> Empty Cache...
Empty Java Cache:
Applications -> Utilities -> Java Preferences
Network -> Delete Files...
How to Force-Quit your Browser
Choose Force Quit from the Apple Menu (top of screen)
Choose from list of programs
When loading a 3D Model viewer, make sure you wait until the list of features appears on the left. Failure to do so may cause your browser to freeze.