Merge pull request jsonwebtoken#441 from jsonwebtoken/feature/update-gtm

Update GTM scripts

Author: Sambego

views/website/layout.pug

@@ -36,9 +36,19 @@ html(lang='en')
 
     // Chrome extension link, required for inline installs
     link(rel="chrome-webstore-item", href="https://chrome.google.com/webstore/detail/ppmmlchacdbknfphdeafcbmklcghghmd")
-  body
-
+    
     // Google Tag Manager
+    script.
+      ​(f​unction(​w​,d,s,l,i​){w[l]=w[l]||[];w[l].push({​'gtm.start'​: new​​Date(​).getTime(),event:'​gtm.js'​});v​ar​f=d.getElementsByTagName(s)[​0]​, j=d.createElement(s),dl=l!='​ dataLayer'?​ ​'&l='+​ l:​'';​ j.async=​true;​ j.src= 'https://www.googletagmanager.com/gtm.js?id='​+i+dl;f.parentNode.insertBefore(j,f); })(​window,​​document​,'​script'​,'​dataLayer',​​'GTM-W7FRLJ')​;
+    // End Google Tag Manager 
+
+  body
+    // Google Tag Manager (noscript)
+    noscript
+      iframe(src='https://www.googletagmanager.com/ns.html?id=GTM-W7FRLJ"', height='0', width='0', style='display:none;visibility:hidden')
+    // End Google Tag Manager (noscript)
+    
+    // Google Tag Manager legacy (remove soon)
     noscript
       iframe(src='//www.googletagmanager.com/ns.html?id=GTM-PT2SNS', height='0', width='0', style='display:none;visibility:hidden')
     script.