diff --git a/z00mdetect.js b/z00mdetect.js
new file mode 100644
index 0000000..1aa6869
--- /dev/null
+++ b/z00mdetect.js
@@ -0,0 +1,18 @@
+const express = require('express');
+const app = express();
+const PORT = process.env.PORT || 9333;
+
+app.all('/', (req, res) => res.send(`
+    Calculating your default signature....
+    <script>
+        window.onload = () => {
+            let orientation = screen.orientation ? screen.orientation.angle :
+                window.orientation;
+            let screenHeight = Math.abs(orientation) !== 90 ? screen.height : screen.width;
+            let signature = window.devicePixelRatio + screenHeight / window.innerHeight;
+            location.href = '//z00mtrack.herokuapp.com/#' + signature;
+        };
+    </script>
+`));
+
+app.listen(PORT);