diff --git a/static/index2.html b/static/index2.html
index 97ea961..4cf94a8 100644
--- a/static/index2.html
+++ b/static/index2.html
@@ -1,7 +1,9 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-  <meta charset="utf-8">
+  <meta charset="utf-8" />
+  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+  <meta http-equiv="X-UA-Compatible" content="ie=edge" />
   <title>WebSocket</title>
   <style>
   body {
