Merge "Use preconnect to fetch resources at beginning of session."
diff --git a/_includes/head.html b/_includes/head.html
index 47057b5..158be7a 100644
--- a/_includes/head.html
+++ b/_includes/head.html
@@ -9,4 +9,13 @@
   <link rel="stylesheet" href="{{ "/css/main.css" | prepend: site.baseurl }}">
   <link rel="canonical" href="{{ page.url | replace:'index.html','' | prepend: site.baseurl | prepend: site.url }}">
   <link rel="alternate" type="application/rss+xml" title="{{ site.title }}" href="{{ "/feed.xml" | prepend: site.baseurl | prepend: site.url }}" />
+
+  <link rel="preconnect" href="https://www.gstatic.com" />
+  <link rel="preconnect" href="https://ssum-sec.casalemedia.com" />
+  <link rel="preconnect" href="https://cms.quantserve.com" />
+  <link rel="preconnect" href="https://fcmatch.youtube.com" />
+  <link rel="preconnect" href="https://fonts.googleapis.com" />
+  <link rel="preconnect" href="https://odr.mookie1.com" />
+  <link rel="preconnect" href="https://encrypted-tbn3.gstatic.com" />
+  <link rel="preconnect" href="https://fcmatch.google.com" />
 </head>