Bug 1430367 - "preconnect" to google-analytics domain for improved performance

diff --git a/Bugzilla/CGI.pm b/Bugzilla/CGI.pm
index b0bc15e78632b7f5786fc9fcdcc31e1767366a1e..6e48a2355a377359a1530bc9e18fa0a11ff67273 100644 (file)
--- a/Bugzilla/CGI.pm
+++ b/Bugzilla/CGI.pm
@@ -590,6 +590,9 @@ sub header {
             "skins/standard/fonts/MaterialIcons-Regular.woff2",
         );
         $headers{'-link'} = join(", ", map { sprintf('</static/v%s/%s>; rel="preload"; as="font"', Bugzilla->VERSION, $_) } @fonts);
+        if (Bugzilla->params->{google_analytics_tracking_id}) {
+            $headers{'-link'} .= ', <https://www.google-analytics.com>; rel="preconnect"; crossorigin';
+        }
     }
 
     return $self->SUPER::header(%headers) || "";