diff --git a/user.js b/user.js
index 11c4b42..3b5f200 100644
--- a/user.js
+++ b/user.js
@@ -87,6 +87,7 @@ user_pref("browser.newtabpage.activity-stream.default.sites", "");
 // [NOTE] Best left at default "true", fingerprintable, is already behind a prompt
 // https://www.mozilla.org/firefox/geolocation/ ***/
 user_pref("geo.enabled", false);
+user_pref("browser.search.geoip.url", ""); // [HIDDEN PREF]
 // -------------------------------------
 // Set a default permission for Location [FF58+]
 // 0=always ask (default), 1=allow, 2=block
@@ -980,6 +981,9 @@ user_pref("plugin.state.flash", 0);
 // https://wiki.mozilla.org/GeckoMediaPlugins ***/
 user_pref("media.gmp-provider.enabled", false);
 // -------------------------------------
+// Disable downloading OpenH264 codec at the first start of Firefox
+ user_pref("media.gmp-gmpopenh264.enabled", false);
+ // -------------------------------------
 // Disable widevine CDM (Content Decryption Module)
 // [SETUP-WEB] if you *need* CDM, e.g. Netflix, Amazon Prime, Hulu, whatever ***/
 user_pref("media.gmp-widevinecdm.visible", false);