Disable: Firefox > Add-ons > Plugins > Disable
Delete: Right-click plugin > Show More > "File" (find and delete)
PROTIP: Disable Flash; enable YouTube HTML5: youtube.com/html5
Firefox > Help > Restart with Add-ons Disabled
Firefox > Help > Troubleshooting Information > Reset Firefox
Run: firefox.exe -p
Terminal: firefox -p
screenshot --fullpagescreenshotrestarthelp
/* No Firefox Button */
#appmenu-button{display:none !important;}
/* No load progress indicator */
.tab-throbber{display:none !important;}
/* No horizontal scrollbar */
#content browser{margin-right:-14px !important;
overflow-y:scroll; overflow-x:hidden;}
/* No site favicon */
.tab-icon-image{display:none !important;}
/* No "X" button to close tab */
.tab-close-button{display:none !important;}
/* No auto-complete arrow on location bar */
.autocomplete-history-dropmarker{display: none !important;}
/* See
http://logicalincrements.com/firefox/483
for Menu Context removals */
/* To make your own userChrome.css tweaks, find elements using the
DOM Inspector
on "chrome://browser/content/browser.xul" */
browser.newtab.url => about:blank
geo.enabled => false
browser.download.manager.scanWhenDone => false
New > string:
general.useragent.override =>
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:20.0) Gecko/20100101 Firefox/20.0
New > boolean:
extensions.checkCompatibility.[version #] => false
network.prefetch-next => false
network.dns.disablePrefetch => false
network.http.pipelining => true
network.http.pipelining.ssl => true
network.http.proxy.pipelining => true
network.http.pipelining.maxrequests => 64
network.http.max-connections => 512
network.http.max-persistent-connections-per-server => 32
security.dialog_enable_delay => 500
browser.tabs.animate => false
browser.fullscreen.animateUp => 0
browser.cache.memory.enable => true
browser.cache.memory.max_entry_size => -1
browser.cache.disk.enable => false
browser.cache.disk.parent_directory => /tmp/firefox
New > integer: nglayout.initialpaint.delay => 0
New > boolean: content.interrupt.parsing => true
New > boolean: content.notify.ontimer => true
New > integer: content.max.tokenizing.time => 100000
New > integer: content.notify.backoffcount => -1
New > integer: content.notify.interval => 100000
New > integer: content.switch.threshold => 2000000
New > integer: ui.submenuDelay => 0
privacy.donottrackheader.enabled => true
loop.enabled => false
browser.pocket.enable => false
media.navigator.enabled => false
media.peerconnection.enabled => false
browser.safebrowsing.enabled => false
browser.safebrowsing.malware.enabled => false
browser.send_pings => false
browser.send_pings.require_same_host => true
browser.search.suggest.enabled => false
keyword.enabled => false
browser.ssl_override_behavior => 2
network.proxy.socks_remote_dns => true
In application.ini in the Firefox folder,
[Crash Reporter]Enabled=1 => [Crash Reporter]Enabled=0
https://github.com/crisbrm/user.js
https://github.com/pyllyukko/user.js
https://jm42.github.io/compare-user.js/
This guide is made to help 4chan users
improve their browsing experience