diff --git a/index.html b/index.html
index 0123527..4adee63 100644
--- a/index.html
+++ b/index.html
@@ -1,7 +1,7 @@
 <!doctype html>
-<html>
+<html lang="en">
   <head>
-    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
+    <meta charset="utf-8" />
     <meta http-equiv="X-UA-Compatible" content="chrome=1">
     <meta name="apple-mobile-web-app-capable" content="yes">
     <meta name="viewport" content="user-scalable=no, width=device-width, initial-scale=1.0, maximum-scale=1.0" />
@@ -21,6 +21,20 @@
     <!--[if lt IE 9]>
     <script src="//html5shiv.googlecode.com/svn/trunk/html5.js"></script>
     <![endif]-->
+    <script type="application/ld+json">
+		{
+		  "@context" : "http://schema.org",
+		  "@type" : "WebSite",
+		  "name" : "Mozilla Tunisia - Open Source",
+		  "url" : "http://github.mozilla-tunisia.org/",
+		  "sameAs" : [
+  			"https://github.com/moztn",
+  			"https://www.facebook.com/mozillatunisia",
+  			"https://www.twitter.com/mozillatunisia",
+  			"https://www.youtube.com/moztn"
+  		  ]
+		}
+		</script>
   </head>
   <body>
     <div id="header">
@@ -92,7 +106,7 @@ <h4 class="name">Chart</h4>
     </div>
 
     <script src="javascripts/jquery-1.10.1.min.js"></script>
-    <script src="javascripts/bootstrap.min.js"></script>
-    <script src="javascripts/main.js"></script>
+    <script defer src="javascripts/bootstrap.min.js"></script>
+    <script defer src="javascripts/main.js"></script>
   </body>
 </html>
