diff --git a/README.md b/README.md
index e046091..31974e6 100644
--- a/README.md
+++ b/README.md
@@ -2,3 +2,13 @@ gridstack.js
 ============
 
 gridstack.js is a jQuery plugin for widget layout
+
+
+Demo
+====
+
+Please visit http://troolee.github.io/gridstack.js for demo.
+
+
+Usage
+=====
diff --git a/index.html b/index.html
deleted file mode 100644
index 7ffbb59..0000000
--- a/index.html
+++ /dev/null
@@ -1,17 +0,0 @@
-<!DOCTYPE html>
-<html>
-<head lang="en">
-    <meta charset="UTF-8">
-    <title>gridstack.js</title>
-
-    <link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css">
-    <link rel="stylesheet" href="gridstack.css"/>
-</head>
-<body>
-
-    <script src="//ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
-    <script src="//code.jquery.com/ui/1.11.2/jquery-ui.min.js"></script>
-    <script src="//cdnjs.cloudflare.com/ajax/libs/underscore.js/1.7.0/underscore-min.js"></script>
-    <script src="gridstack.js"></script>
-</body>
-</html>
