diff --git a/content/site.html b/content/site.html
index d30b698..7aabd4d 100644
--- a/content/site.html
+++ b/content/site.html
@@ -8,6 +8,7 @@
     <meta name="description" content="">
     <meta name="author" content="">
     <link rel="icon" href="favicon.ico">
+    <meta http-equiv="Content-Security-Policy" content="frame-src youtube.com www.youtube.com">
 
     <title>Editing this website</title>