diff --git a/layouts/partials/site_header.html b/layouts/partials/site_header.html
index 869b6f4..a541948 100644
--- a/layouts/partials/site_header.html
+++ b/layouts/partials/site_header.html
@@ -1,6 +1,7 @@
 <!DOCTYPE html>
 <html lang="{{ with .Site.LanguageCode }}{{ . }}{{ else }}en-US{{ end }}">
   <head>
+    <meta http-equiv="Referrer-Policy" content="strict-origin-when-cross-origin">
     <meta charset="utf-8">
     <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
