diff --git a/_includes/head.html b/_includes/head.html
index 4784b6c..15040a7 100644
--- a/_includes/head.html
+++ b/_includes/head.html
@@ -22,11 +22,11 @@
     <link rel="stylesheet" href="{{ '/assets/css/highlight/' | append: site.highlighter_theme | append: '.css' | prepend: site.baseurl }}">
     <link rel="stylesheet" href="/assets/css/font-awesome.min.css">
     <link rel="stylesheet" href="/assets/css/animate.min.css">
-    <link href="/assets/css/google-fonts.css" rel="stylesheet">
+    <link rel="stylesheet" href="/assets/css/google-fonts.css">
   
     <!-- Javascript -->
-    <script src="/assets/js/jquery.min.js"></script>
-    <script src="/assets/js/bootstrap.min.js"></script>
-    <script src="/assets/js/d3.min.js"></script>
-    <script type="text/javascript" src="{{ '/assets/js/main.js' | prepend: site.baseurl }}"></script>
+    <script src="/assets/js/jquery.min.js" defer></script>
+    <script src="/assets/js/bootstrap.min.js" defer></script>
+    <script src="/assets/js/d3.min.js" defer></script>
+    <script type="text/javascript" src="{{ '/assets/js/main.js' | prepend: site.baseurl }}" defer></script>
   </head>
\ No newline at end of file
diff --git a/start.sh b/start.sh
index 038b838..fa00d66 100755
--- a/start.sh
+++ b/start.sh
@@ -1,3 +1,3 @@
 #!/bin/bash
 bundle install
-bundle exec jekyll serve
+bundle exec jekyll serve
\ No newline at end of file