meta-Cache-Control

client/index.html

@@ -3,6 +3,7 @@
     <meta charset="utf-8" />
     <link rel="icon" href="images/DuckIcon.png" />
     <title>Dancing Duck</title>
+    <meta http-equiv="Cache-control" content="public">
     <style>
       #customAlert {
         display: none;