diff --git a/layouts/partials/header.html b/layouts/partials/header.html
index a1a9774..1ab95d8 100644
--- a/layouts/partials/header.html
+++ b/layouts/partials/header.html
@@ -33,6 +33,9 @@
   <meta name="generator" content="Hugo {{ .Hugo.Version }}">
   <!-- RSS -->
   <link rel="alternate" type="application/atom+xml" href="{{.Site.BaseURL}}index.xml" title="{{ .Site.Title }}">
+  {{ if eq (getenv "HUGO_ENV") "production" | or (eq .Site.Params.env "production")  }}
+    {{ template "_internal/google_analytics_async.html" . }}
+  {{ end }}
 </head>
 <body class="{{if eq .Kind `page` }}single{{else}}list{{ if .IsHome }} home{{ end }}{{end}}">
   <header class="header">
