diff --git a/core/server/config/defaults.json b/core/server/config/defaults.json
index 0e736f7e00..4ec7a448ce 100644
--- a/core/server/config/defaults.json
+++ b/core/server/config/defaults.json
@@ -81,5 +81,7 @@
     },
     "imageOptimization": {
         "resize": true
-    }
+    },
+    "compress": true,
+    "preloadHeaders": false
 }