diff --git a/Sources/justMUSIC/firebase.json b/Sources/justMUSIC/firebase.json
index 60df67a..1298c48 100644
--- a/Sources/justMUSIC/firebase.json
+++ b/Sources/justMUSIC/firebase.json
@@ -12,6 +12,25 @@
         "source": "**",
         "destination": "/index.html"
       }
-    ]
+    ],
+    "headers": [ {
+      "source": "/.@(eot|otf|ttf|ttc|woff|font.css)",
+      "headers": [ {
+        "key": "Access-Control-Allow-Origin",
+        "value": ""
+      } ]
+    }, {
+      "source": "/*.@(jpg|jpeg|gif|png)",
+      "headers": [ {
+        "key": "Cache-Control",
+        "value": "max-age=7200"
+      } ]
+    }, {
+      "source": "404.html",
+      "headers": [ {
+        "key": "Cache-Control",
+        "value": "max-age=300"
+      } ]
+    } ]
   }
 }