diff --git a/modules/desktop/browsers/firefox.nix b/modules/desktop/browsers/firefox.nix
index 5c077c3..e8b1b24 100644
--- a/modules/desktop/browsers/firefox.nix
+++ b/modules/desktop/browsers/firefox.nix
@@ -35,11 +35,20 @@ in {
 
           ## Preferences
           "browser.ctrlTab.sortByRecentlyUsed" = true;
+          "browser.discovery.enabled" = false;
           "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";
+          "browser.uitour.enabled" = false;
+
+          ## Performance
+          "gfx.webrender.all" = true;
+          "gfx.webrender.compositor" = true;
+          "gfx.webrender.enable" = true;
+          "layers.acceleration.force-enabled" = true;
+          "media.ffmpeg.vaapi.enabled" = true;
 
           ## Experiments
           "app.normandy.enabled" = false;
@@ -51,7 +60,13 @@ in {
           "experiments.enabled" = false;
           "experiments.manifest.uri" = "";
           "network.allow-experiments" = false;
-          "privacy.trackingprotection.enabled" = false;
+
+          ## Privacy
+          "privacy.resistFingerprinting" = true;
+          "privacy.resistFingerprinting.autoDeclineNoUserInputCanvasPrompts" = false;
+          "privacy.trackingprotection.enabled" = true;
+          "privacy.trackingprotection.pbmode.enabled" = true;
+          "privacy.userContext.enabled" = true;
 
           ## Geo
           "geo.enabled" = false;
@@ -104,6 +119,13 @@ in {
           "privacy.firstparty.isolate" = true;
           "privacy.firstparty.isolate.restrict_opener_access" = true;
 
+          ## Telemetry
+          "beacon.enabled" = false;
+          "browser.send_pings" = false;
+          "toolkit.telemetry.archive.enabled" = false;
+          "toolkit.telemetry.enabled" = false;
+          "toolkit.telemetry.unified" = false;
+
           ## Pocket/Hello
           "loop.enabled" = false;
           "loop.feedback.baseUrl" = "";
@@ -125,6 +147,10 @@ in {
           "browser.pocket.useLocaleList" = false;
           "brwoser.pocket.enabledLocales" = "";
 
+          ## Plugins
+          "plugin.state.flash" = 0;
+          "plugin.state.java" = 0;
+
           ## Misc
           "browser.selfsupport.url" = "";
         };