User:Fenris02/Firefox

Standard troubleshooting steps

Restart Firefox

Clear cookies and cache

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? Many of these reference user.js [1] but you can use the about:config url as well if you prefer. Using user.js is preferable because Mozilla will not change these settings on your behalf, and you can easily undo them if something goes awry.

Go to your profile folder [2]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: [3] [4]

   user_pref("browser.chrome.favicons", false);
   user_pref("browser.chrome.site_icons", false);

Turn off IPv6. Append to your user.js file: [5]

   user_pref("network.dns.disableIPv6", true);

Disable dbus notifications within Firefox. Append to your user.js file: [6]

   user_pref("toolkit.networkmanager.disable", true);

Turn off rich colour support. Append to user.js: [7]

   user_pref("gfx.color_management.enabled", false);
   user_pref("gfx.color_management.mode", 0);

Turn off paint delay. Append to user.js: [8]

   user_pref("nglayout.initialpaint.delay", 0);

Useful usability options: Enable form colours. Append to user.js: [9]

   user_pref("browser.display.use_focus_colors", true);
   user_pref("browser.display.focus_text_color", "#010101");

Disable blink tag. Append to user.js: [10]

   user_pref("browser.blink_allowed", false);

Additional accessibility prefs can be found here: [11]

Additional hidden prefs can be found here: [12]