diff --git a/modules/desktop/browsers/firefox.nix b/modules/desktop/browsers/firefox.nix
index 205d884..eeeeef0 100644
--- a/modules/desktop/browsers/firefox.nix
+++ b/modules/desktop/browsers/firefox.nix
@@ -25,10 +25,106 @@ in {
           @import "firefox-gnome-theme/userContent.css";
         '';
         settings = {
+          ## GNOME theme
           "toolkit.legacyUserProfileCustomizations.stylesheets" = true; # Enable customChrome.cs
           "browser.uidensity" = 0; # Set UI density to normal
           "svg.context-properties.content.enabled" = true; # Enable SVG context-propertes
           "browser.theme.dark-private-windows" = false; # Disable private window dark theme
+
+          ## Preferences
+          "browser.ctrlTab.sortByRecentlyUsed" = true;
+          "browser.newtabpage.enabled" = false;
+          "browser.search.widget.inNavBar" = true;
+          "browser.startup.page" = 3;
+          "browser.startup.homepage" = "https://www.vimium.com";
+          "browser.toolbars.bookmarks.visibility" = "never";
+
+          ## Experiments
+          "app.normandy.enabled" = false;
+          "app.normandy.api_url" = "";
+          "app.normandy.user_id" = "";
+          "extensions.screenshots.disabled" = true;
+          "extensions.screenshots.upload-disabled" = true;
+          "experiments.supported" = false;
+          "experiments.enabled" = false;
+          "experiments.manifest.uri" = "";
+          "network.allow-experiments" = false;
+          "privacy.trackingprotection.enabled" = false;
+
+          ## Geo
+          "geo.enabled" = false;
+          "geo.provider.use_gpsd" = false;
+          "geo.wifi.uri" = "";
+          "browser.search.geoip.url" = "";
+          "browser.search.geoSpecificDefaults" = false;
+          "browser.search.geoSpecificDefaults.url" = "";
+
+          ## Window meddling / popups
+          "dom.disable_window_open_feature.close" = true;
+          "dom.disable_window_open_feature.location" = true;
+          "dom.disable_window_open_feature.menubar" = true;
+          "dom.disable_window_open_feature.minimizable" = true;
+          "dom.disable_window_open_feature.personalbar" = true;
+          "dom.disable_window_open_feature.resizable" = true;
+          "dom.disable_window_open_feature.status" = true;
+          "dom.disable_window_open_feature.titlebar" = true;
+          "dom.disable_window_open_feature.toolbar" = true;
+          "dom.disable_window_move_resize" = true;
+          "browser.link.open_newwindow" = 3;
+          "browser.link.open_newwindow.restriction" = 0;
+          "dom.disable_open_during_load" = true;
+          "dom.popup_allowed_events" = "click dblclick";
+
+          ## Workers
+          # "dom.serviceWorkers.enabled" = false;
+          "dom.push.enabled" = false;
+          "dom.webnotifications.enabled" = false;
+          "dom.webnotifications.serviceworker.enabled" = false;
+          "permissions.default.desktop-notification" = 2;
+
+          ## DOM / JavaScript
+          "dom.event.clipboardevents.enabled" = false;
+          "middlemouse.paste" = false;
+          "dom.allow_cut_copy" = false;
+          "dom.disable_beforeunload" = true;
+          "dom.vibrator.enabled" = false;
+          # "javascript.options.asmjs" = false;
+          # "javascript.options.wasm" = false;
+          "dom.targetBlankNoOpener.enabled" = true;
+
+          ## Hardware fingerprinting
+          "dom.battery.enabled" = false;
+          "dom.vr.enabled" = false;
+          "media.navigator.enabled" = false;
+          "dom.webaudio.enabled" = false;
+
+          ## Isolation
+          "privacy.firstparty.isolate" = true;
+          "privacy.firstparty.isolate.restrict_opener_access" = true;
+
+          ## Pocket/Hello
+          "loop.enabled" = false;
+          "loop.feedback.baseUrl" = "";
+          "loop.gettingStarted.url" = "";
+          "loop.learnMoreUrl" = "";
+          "loop.legal.ToS_url" = "";
+          "loop.legal.privacy_url" = "";
+          "loop.oauth.google.redirect_uri" = "";
+          "loop.oauth.google.scope" = "";
+          "loop.server" = "";
+          "loop.soft_start_hostname" = "";
+          "loop.support_url" = "";
+          "loop.throttled2" = false;
+          "loop.logDomains" = false;
+          "browser.pocket.enabled" = false;
+          "browser.pocket.api" = "";
+          "browser.pocket.site" = "";
+          "browser.pocket.oAuthConsumerKey" = "";
+          "browser.pocket.useLocaleList" = false;
+          "brwoser.pocket.enabledLocales" = "";
+
+          ## Misc
+          "browser.selfsupport.url" = "";
         };
       };
     };