diff --git a/donate.html b/donate.html
index 4b545a29..f6c34885 100644
--- a/donate.html
+++ b/donate.html
@@ -1,11 +1,15 @@
 <!DOCTYPE html>
 <html>
 <head>
-<title>Donate - privacytools.io</title>
-<link href="css/bootstrap.min.css" rel="stylesheet">
-<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
-<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
-<link rel="shortcut icon" href="favicon.ico" type="image/ico">
+	<title>Donate - privacytools.io</title>
+	<link href="css/bootstrap.min.css" rel="stylesheet">
+	<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
+	<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
+	<link rel="shortcut icon" href="favicon.ico" type="image/ico">
+	<!-- content security policy -->
+	<meta http-equiv='Content-Security-Policy' content="Content-Security-Policy: default-src https:; script-src https://privacytoolsio.github.io"; style-src 'unsafe-inline'>
+	<!-- referrer policy -->
+	<meta http-equiv="Referrer-Policy" content="no-referrer">
 </head>
 <body>
 
