diff --git a/public/index.html b/public/index.html
index c467f3b..76918ae 100644
--- a/public/index.html
+++ b/public/index.html
@@ -1,6 +1,10 @@
 <!DOCTYPE html>
 <html>
   <head>
+    <meta charset="UTF-8">
+    
+    <!-- Viewport Settings -->
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <meta http-equiv="Content-Type" content="text/html;charset=utf-8"/>
     <link type="text/css" rel="stylesheet" href="css/arf.css"/>
     <script type="text/javascript" src="js/d3.v3.min.js"></script>
@@ -40,4 +44,4 @@
 
   </body>
 
-</html>
\ No newline at end of file
+</html>
