diff --git a/src/config.toml b/src/config.toml
index 69446e4..b7a965d 100644
--- a/src/config.toml
+++ b/src/config.toml
@@ -18,6 +18,8 @@ buildnumber = "123456"
 # HTML header ASCII art: https://discourse.gohugo.io/t/how-to-add-ascii-art-as-comments-to-head/1084
 headercommentblock = "\u003c\u0021\u002d\u002d\n\n       \u005f\u003d\u003d\u002f          \u0069     \u0069          \u005c\u003d\u003d\u005f\n     \u002f\u0058\u0058\u002f            \u007c\u005c\u005f\u005f\u005f\u002f\u007c            \u005c\u0058\u0058\u005c\n   \u002f\u0058\u0058\u0058\u0058\u005c            \u007c\u0058\u0058\u0058\u0058\u0058\u007c            \u002f\u0058\u0058\u0058\u0058\u005c\n  \u007c\u0058\u0058\u0058\u0058\u0058\u0058\u005c\u005f         \u005f\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u005f         \u005f\u002f\u0058\u0058\u0058\u0058\u0058\u0058\u007c\n \u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0078\u0078\u0078\u0078\u0078\u0078\u0078\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0078\u0078\u0078\u0078\u0078\u0078\u0078\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\n\u007c\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u007c\n\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\n\u007c\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u007c\n \u0058\u0058\u0058\u0058\u0058\u0058\u002f\u005e\u005e\u005e\u005e\u0022\u005c\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u0058\u002f\u005e\u005e\u005e\u005e\u005e\u005c\u0058\u0058\u0058\u0058\u0058\u0058\n  \u007c\u0058\u0058\u0058\u007c       \u005c\u0058\u0058\u0058\u002f\u005e\u005e\u005c\u0058\u0058\u0058\u0058\u0058\u002f\u005e\u005e\u005c\u0058\u0058\u0058\u002f       \u007c\u0058\u0058\u0058\u007c\n    \u005c\u0058\u0058\u005c       \u005c\u0058\u002f    \u005c\u0058\u0058\u0058\u002f    \u005c\u0058\u002f       \u002f\u0058\u0058\u002f\n       \u0022\u005c       \u0022      \u005c\u0058\u002f      \u0022      \u002f\u0022\n       \n\u002d\u002d\u003e"
 
+useCdn = true
+
 [permalinks]
 posts = '/:year/:month/:day/:slug/'
 
diff --git a/src/themes/custom-bootstrap/layouts/_default/baseof.html b/src/themes/custom-bootstrap/layouts/_default/baseof.html
index 8896245..92166a3 100644
--- a/src/themes/custom-bootstrap/layouts/_default/baseof.html
+++ b/src/themes/custom-bootstrap/layouts/_default/baseof.html
@@ -16,12 +16,12 @@
     <link rel="alternate" type="application/atom+xml" title="Atom 1.0" href="{{ "/feed/atom/index.xml" | absURL }}" />
     <link rel="canonical" href="{{ .Permalink }}" />
     <!-- Le styles -->
-    <link href="{{ "/css/bootstrap.min.css" | absURL }}" rel="stylesheet" crossorigin="anonymous">
-    <link href="{{ "/css/bootstrap-responsive.min.css" | absURL }}" rel="stylesheet" crossorigin="anonymous">
+    <link href="{{ if .Site.Params.useCdn }}https://cdn.jsdelivr.net/gh/christianspecht/blog@master/src/themes/custom-bootstrap/static/css/bootstrap.min.css{{ else }}{{ "/css/bootstrap.min.css" | absURL }}{{ end }}" rel="stylesheet" crossorigin="anonymous">
+    <link href="{{ if .Site.Params.useCdn }}https://cdn.jsdelivr.net/gh/christianspecht/blog@master/src/themes/custom-bootstrap/static/css/bootstrap-responsive.min.css{{ else }}{{ "/css/bootstrap-responsive.min.css" | absURL }}{{ end }}" rel="stylesheet" crossorigin="anonymous">
     <link href="{{ "/css/cs.css" | absURL }}" rel="stylesheet">
-    <link href="{{ "/libs/font-awesome/6.4.0/css/fontawesome.min.css" | absURL }}" rel="stylesheet" crossorigin="anonymous">
-    <link href="{{ "/libs/font-awesome/6.4.0/css/brands.min.css" | absURL }}" rel="stylesheet" crossorigin="anonymous">
-    <link href="{{ "/libs/font-awesome/6.4.0/css/solid.min.css" | absURL }}" rel="stylesheet" crossorigin="anonymous">
+    <link href="{{ if .Site.Params.useCdn }}https://cdn.jsdelivr.net/npm/@fortawesome/fontawesome-free@6.4.0/css/fontawesome.min.css{{ else }}{{ "/libs/font-awesome/6.4.0/css/fontawesome.min.css" | absURL }}{{ end }}" rel="stylesheet" crossorigin="anonymous">
+    <link href="{{ if .Site.Params.useCdn }}https://cdn.jsdelivr.net/npm/@fortawesome/fontawesome-free@6.4.0/css/brands.min.css{{ else }}{{ "/libs/font-awesome/6.4.0/css/brands.min.css" | absURL }}{{ end }}" rel="stylesheet" crossorigin="anonymous">
+    <link href="{{ if .Site.Params.useCdn }}https://cdn.jsdelivr.net/npm/@fortawesome/fontawesome-free@6.4.0/css/solid.min.css{{ else }}{{ "/libs/font-awesome/6.4.0/css/solid.min.css" | absURL }}{{ end }}" rel="stylesheet" crossorigin="anonymous">
 
     <!-- Fav and touch icons -->
     <link rel="apple-touch-icon-precomposed" sizes="144x144" href="https://avatar.christianspecht.de/cs144.jpeg">
@@ -178,7 +178,7 @@
     <!-- Le javascript
     ================================================== -->
     <!-- Placed at the end of the document so the pages load faster -->
-    <script src="{{ "/js/jquery.min.js" | absURL }}" crossorigin="anonymous"></script>
-    <script src="{{ "/js/bootstrap.min.js" | absURL }}" crossorigin="anonymous"></script>
+    <script src="{{ if .Site.Params.useCdn }}https://cdn.jsdelivr.net/npm/jquery@1.8.2/tmp/jquery.min.js{{ else }}{{ "/js/jquery.min.js" | absURL }}{{ end }}" crossorigin="anonymous"></script>
+    <script src="{{ if .Site.Params.useCdn }}https://cdn.jsdelivr.net/gh/christianspecht/blog@master/src/themes/custom-bootstrap/static/js/bootstrap.min.js{{ else }}{{ "/js/bootstrap.min.js" | absURL }}{{ end }}" crossorigin="anonymous"></script>
   </body>
 </html>