diff --git a/src/main/twirl/gitbucket/core/main.scala.html b/src/main/twirl/gitbucket/core/main.scala.html
index fcc25e8..124618c 100644
--- a/src/main/twirl/gitbucket/core/main.scala.html
+++ b/src/main/twirl/gitbucket/core/main.scala.html
@@ -4,7 +4,9 @@
 <!DOCTYPE html>
 <html>
   <head>
-    <meta charset="utf-8">
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0" />
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
     <title>@title</title>
     <meta http-equiv="X-UA-Compatible" content="IE=edge" />
     <link rel="icon" href="@helpers.assets("/common/images/gitbucket.png")" type="image/vnd.microsoft.icon" />
