HTML5 - cache manifest working great on Chrome but not on Firefox and Opera

Question

I am developing a web app for offline use, thus I need to use the application cache functionality.

Everything works great on Chrome (15.0.874.106) but is doesn\'t wo

Answer 1

My only way to make the manifest work everywhere is to do this:

CACHE MANIFEST
# version x.x
# 2015-03-27

# list everything

If I use NETWORK and/or FALLBACK it wont work (in Chrome).