Standard troubleshooting steps
Test in Safe Mode ( firefox -safe-mode )
Reset preferences ( Safe mode option )
Troubleshoot plugins Disable plugins ( Ex: Adobe Reader, Flash, Java, QuickTime, RealPlayer, and VLC )
Make a new profile ( firefox -ProfileManager )
Slowness when browsing?
Go to your profile folder and vacuum your db files
cd $HOME/.mozilla/firefox/*.default/; for i in *.sqlite; do echo "VACUUM;" | sqlite3 $i ; done
Disable favicon and site-icon caching Append do your user.js file:
user_pref("browser.chrome.favicons", false); user_pref("browser.chrome.site_icons", false);
Turn off IPv6 Append to your user.js file:
user_pref("network.dns.disableIPv6", true);
Disable dbus notifications within Firefox. Append to your user.js file,
user_pref("toolkit.networkmanager.disable", true);