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Firefox preference tweaks

Ultimate Collection of Best “about:config” Tweaks for Mozilla Firefox

http://www.askvg.com/ultimate-collection-of-best-aboutconfig-tweaks-for-mozilla-firefox-4-0/

user_pref("browser.allTabs.previews", true);
user_pref("browser.ctrlTab.previews", true);
user_pref("browser.download.manager.scanWhenDone", false);
user_pref("browser.fullscreen.autohide", false);
user_pref("browser.fullscreen.animateUp", 0);
user_pref("browser.panorama.animate_zoom", false);
user_pref("browser.preferences.animateFadeIn", true);
user_pref("browser.showQuitWarning", true);
user_pref("browser.tabs.animate", false);
user_pref("browser.tabs.closeWindowWithLastTab", false);
user_pref("browser.tabs.insertRelatedAfterCurrent", false);
user_pref("browser.urlbar.clickSelectsAll", false);
user_pref("browser.urlbar.doubleClickSelectsAll", true);
user_pref("layout.spellcheckDefault", 2);
user_pref("ui.click_hold_context_menus", true);
user_pref("browser.preferences.instantApply", true);
user_pref("browser.tabs.drawInTitlebar", false);
user_pref("middlemouse.paste", true);
user_pref("browser.urlbar.formatting.enabled", false);
user_pref("browser.urlbar.trimURLs", false);
user_pref("security.dialog_enable_delay", 0);

Pimp My Browser: How to Get the Most Out of Firefox

http://www.pcworld.com/article/171196/pimp_my_browser_how_to_get_the_most_out_of_firefox.html

user_pref("browser.sessionstore.interval", 30000) ;   //default: 10000 (10sec)
user_pref("security.dialog_enable_delay", 0);        //Add-on installation delay. defaults: 200
user_pref("browser.download.manager.openDelay", 3000);  //supress dialog for very small downloads
user_pref("browse.search.openintab", true);  //default: false

28 Coolest Firefox About:Config Tricks

http://maketecheasier.com/28-coolest-firefox-aboutconfig-tricks/2008/08/21

//UI
user_pref("browser.urlbar.maxRichResults", 20);  //default: 12
user_pref("gfx.color_management.enabled", true);  //enable advanced color profile for displaying higher image quality
user_pref("browser.download.manager.scanWhenDone", false);  //antivirus scanning
user_pref("browser.tabs.tabMinWidth", 30);   //default: 100,  I don't like scrolling
user_pref("browser.tabs.closeButtons", 1);   //0: on active tab, 1: on all tabs, 2: no close button, 3: at end of tab bar
user_pref("browser.link.open_newwindow.restriction", 2); //js popups: 0: follow firefox new window settings, 1: no new window, 2:first js then firefox
user_pref("layout.spellcheckDefault", 0);    //default 1: multi-line text boxes only //0:disable, 2:enable on all text boxes
user_pref("browser.fullscreen.autohide", false); //default:true

//performace
user_pref("config.trim_on_minimize", true);  //dump memory to swap

user_pref("network.http.pipelining", true);
user_pref("network.http.proxy.pipelining", true)
user_pref("network.http.pipelining.maxrequests", 6); //default: 4, should be not more than 8
user_pref("network.http.max-connections", 45);  //default: 30
user_pref("network.http.max-connections-per-server", 15);  //default:15

user_pref("browser.cache.disk.enabled", true);
user_pref("browser.cache.disk.capacity", 1048576);  //in bytes
user_pref("browser.cache.offline.capacity", 2048000);  //offline cache, default: 512000(kb)

//addons
user_pref("security.dialog_enable_delay", 0);        //Add-on installation delay. defaults: 2000(msec)
user_pref("extensions.getAddons.maxResults", 10);  //defaults: 5, show more search result
user_pref("extensions.checkCompatibility", false);
user_pref("extensions.checkCompatibility.5.0", false);
user_pref("extensions.checkUpdateSecurity", false);

//misc
user_pref("browser.zoom.siteSpecific", false); //defaults: true
user_pref("view_source.editor.external", true);
user_pref("view_source.editor.path", "c:/windows/notepad2.exe");

// prevent  firefox hidding 'http://'  in URL
user_pref("browser.urlbar.trimURLs", false);
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