Add Google Analytics

modules/actions/utils/MainTemplate.js

@@ -26,6 +26,15 @@ export default function MainTemplate({
     e(
       'head',
       null,
+      // Global site tag (gtag.js) - Google Analytics
+      e('script', {
+        async: true,
+        src: 'https://www.googletagmanager.com/gtag/js?id=UA-140352188-1'
+      }),
+      x(`window.dataLayer = window.dataLayer || [];
+function gtag(){dataLayer.push(arguments);}
+gtag('js', new Date());
+gtag('config', 'UA-140352188-1');`),
       e('meta', { charSet: 'utf-8' }),
       e('meta', { httpEquiv: 'X-UA-Compatible', content: 'IE=edge,chrome=1' }),
       description && e('meta', { name: 'description', content: description }),