Google Analytics Snippet Unminified

snippet.js

// Source
// https://developers.google.com/analytics/devguides/collection/analyticsjs/

// Original
(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
})(window,document,'script','https://www.google-analytics.com/analytics.js','ga');

// Unminified
//
// I removed most of the function arguments because the code is easier to understand without them.
// The function arguments onlyn exist to replace frequently used terms with one-word variables, for
// instance i[r] instead of window.ga.
//
(function(win, doc) {
  win.GoogleAnalyticsObject = 'ga';
  win.ga = win.ga || function() {
    (win.ga.q = win.ga.q || []).push(arguments)
  },
  win.ga.l = 1 * new Date();

  var gaScriptElem = doc.createElement('script');
  gaScriptElem.async = 1;
  gaScriptElem.src = 'https://www.google-analytics.com/analytics.js';

  // Insert the GA script element before the first existing script tag. We know there is at least
  // one on the page already because this code is within a script tag.
  var firstExistingScriptElem = doc.getElementsByTagName('script')[0];
  firstExistingScriptElem.parentNode.insertBefore(gaScriptElem, firstExistingScriptElem);
})(window, document);