diff --git a/index.html b/index.html
index 01f68410..87aa6063 100644
--- a/index.html
+++ b/index.html
@@ -9,8 +9,24 @@
     <meta name="theme-color" id="theme-color" content="" />
     <meta name="description" content="Uptime Kuma monitoring tool" />
     <title>Uptime Kuma</title>
+    <style>
+        .noscript-message {
+            font-size: 20px;
+            text-align: center;
+            padding: 10px;
+            max-width: 500px;
+            margin: 0 auto;
+        }
+    </style>
 </head>
 <body>
+<noscript>
+<div class="noscript-message">
+    Sorry, you don't seem to have JavaScript enabled or your browser
+    doesn't support it.<br />This website requires JavaScript to function.
+    Please enable JavaScript in your browser settings to continue.
+</div>
+</noscript>
 <div id="app"></div>
 <script type="module" src="/src/main.js"></script>
 </body>
