Google Analytics

Better tracking

_includes/layout/base/footer-js.html

@@ -6,7 +6,7 @@ http://opensource.org/licenses/MIT.
 <script type="text/javascript">
   fallbackSVG();
   addAnchorLinks();
-
+  trackOutgoingLinks();
 </script>
 
 {% comment %}

js/base.js

@@ -205,3 +205,75 @@ function addAnchorLinks() {
     nodes[i].insertBefore(anc, nodes[i].firstChild);
   }
 }
+
+ function _gaLt(event) {
+
+	/* If GA is blocked or not loaded, or not main|middle|touch click then don't track */
+	if (!ga.hasOwnProperty("loaded") || ga.loaded != true || (event.which != 1 && event.which != 2)) {
+		return;
+	}
+
+	var el = event.srcElement || event.target;
+
+	/* Loop up the DOM tree through parent elements if clicked element is not a link (eg: an image inside a link) */
+	while (el && (typeof el.tagName == 'undefined' || el.tagName.toLowerCase() != 'a' || !el.href)) {
+		el = el.parentNode;
+	}
+
+	/* if a link with valid href has been clicked */
+	if (el && el.href) {
+
+		var link = el.href;
+
+		/* Only if it is an external link */
+		if (link.indexOf(location.host) == -1 && !link.match(/^javascript\:/i)) {
+
+			/* Is actual target set and not _(self|parent|top)? */
+			var target = (el.target && !el.target.match(/^_(self|parent|top)$/i)) ? el.target : false;
+
+			/* Assume a target if Ctrl|shift|meta-click */
+			if (event.ctrlKey || event.shiftKey || event.metaKey || event.which == 2) {
+				target = "_blank";
+			}
+
+			var hbrun = false; // tracker has not yet run
+
+			/* HitCallback to open link in same window after tracker */
+			var hitBack = function() {
+				/* run once only */
+				if (hbrun) return;
+				hbrun = true;
+				window.location.href = link;
+			};
+
+			if (target) { /* If target opens a new window then just track */
+				ga(
+					"send", "event", "Outgoing Links", link,
+					document.location.pathname + document.location.search
+				);
+			} else { /* Prevent standard click, track then open */
+				event.preventDefault ? event.preventDefault() : event.returnValue = !1;
+				/* send event with callback */
+				ga(
+					"send", "event", "Outgoing Links", link,
+					document.location.pathname + document.location.search, {
+						"hitCallback": hitBack
+					}
+				);
+
+				/* Run hitCallback again if GA takes longer than 1 second */
+				setTimeout(hitBack, 1000);
+			}
+		}
+	}
+}
+
+function trackOutgoingLinks() {
+		var _w = window;
+		/* Use "click" if touchscreen device, else "mousedown" */
+		var _gaLtEvt = ("ontouchstart" in _w) ? "click" : "mousedown";
+		/* Attach the event to all clicks in the document after page has loaded */
+		_w.addEventListener ? _w.addEventListener("load", function() {document.body.addEventListener(_gaLtEvt, _gaLt, !1)}, !1)
+			: _w.attachEvent && _w.attachEvent("onload", function() {document.body.attachEvent("on" + _gaLtEvt, _gaLt)});
+	}
+}