facebook loading is very slow with nearly no images , i'm using mac os x 10.8
The Reset Firefox feature can fix many issues by restoring Firefox to its factory default state while saving your essential information. Note: This will cause you to lose any Extensions, Open websites, and some Preferences.
To Reset Firefox do the following:
Further information can be found in the Refresh Firefox - reset add-ons and settings article.
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If this is with all browsers, sounds like a problem with your internet connection, not Firefox.
Restart your computer
Restart your Router and Modem
Contact your ISP
This problem is 99.99% due to incorrect system date and year.
CHECK YOUR SYSTEM DATE AND ADJUST IT TO THE CURRENT TIME AND DATE.
TIME, DATE AND YEAR MUST BE CORRECT.
THIS SOLVES THE PROBLEM.
IF NOT RESTART THE SYSTEM AND THE PROBLEM SOLVES.
IF THE NEW DATE SETTINGS ARE NOT SAVED, THEN YOU NEED TO REPLACE CMOS BATTERY ON YOUR MOTHER BOARD. THIS MAY REQUIRE A TECHNICIAN.
UNINSTALL AND REINSTALL FIREFOX.