diff --git a/user.js b/user.js
index dc90db6..6bd4244 100644
--- a/user.js
+++ b/user.js
@@ -862,14 +862,14 @@ user_pref("dom.disable_beforeunload", true);
 // >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
 // RFP ALTERNATIVES
 // >>>>>>>>>>>>>>>>>>>>>
-// Spoof (or limit?) number of CPU cores
-// user_pref("dom.maxHardwareConcurrency", 4);
+// Spoof number of CPU cores
+user_pref("dom.maxHardwareConcurrency", 2);
 // -------------------------------------
 // Disable resource/navigation timing
 user_pref("dom.enable_resource_timing", false);
 // -------------------------------------
 // Disable timing attacks
-user_pref("dom.enable_performance", false);
+// user_pref("dom.enable_performance", false);
 // -------------------------------------
 // Disable device sensor API
 user_pref("device.sensors.enabled", false);