diff --git a/user.js b/user.js
index ed56324..f33d128 100644
--- a/user.js
+++ b/user.js
@@ -38,3 +38,6 @@ user_pref("ui.key.menuAccessKeyFocuses", false);
 
 // PREF: enable hardware video acceleration via VA-API on Linux
 //user_pref("media.ffmpeg.vaapi.enabled", true); // [LINUX]
+
+// PREF: re-enable disk caching (improves performance)
+user_pref("browser.cache.disk.enable", true);
\ No newline at end of file