set referrer policy to 'no-referrer'

diff --git a/index.php b/index.php
index 203ecef662d888108f46c6d07976cd02202f366f..ecde3bae25f3f6ebec9975058272a170f3f5c46a 100644 (file)
--- a/index.php
+++ b/index.php
@@ -118,7 +118,7 @@
        </script>
 
        <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
-       <meta name="referrer" content="none"/>
+       <meta name="referrer" content="no-referrer"/>
 
        <script type="text/javascript">
                Event.observe(window, 'load', function() {