firefox question ??

["hamed" <hamed_fcs at hotpop dot com>]

Salam,

I used to use firefox for windows
but because of internet in syria & its coast the cash is very important
& i notice that firefox can easiely suffer loasing cashed websites 
exploration possibility

is there any solution for this problem or some service to buckup&organise 
the cash ??
even under linux ??

Thanks,
Hamed