src/templates/include/tracking.html
<!-- Google Analytics -->
<script>
'use strict';
(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');
ga('create', 'UA-100998190-1', {'siteSpeedSampleRate': 100});
ga('send', 'pageview');
if (window.performance) {
var timeSincePageLoad = Math.round(performance.now());
ga('send', 'timing', 'JS Dependencies', 'javascript', timeSincePageLoad);
var existingWindowOnLoad = window.onload;
window.onload = function() {
if (!!existingWindowOnLoad) {
existingWindowOnLoad();
}
setTimeout(function() {
var timing = window.performance.timing;
var page_load_time = timing.loadEventEnd - timing.navigationStart;
ga('send', 'timing', 'Page load', 'load', page_load_time);
var connect_time = timing.responseEnd - timing.requestStart;
ga('send', 'timing', 'Request time', 'request', connect_time);
}, 0);
};
}
</script>