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Tracking with yct.js

This is yet another example of how to integrate the tracking with a Google-style JavaScript in your site. It is a very generic approach and should be evaluated if this meets your requirements and security policy!

If you want the userid to be generated automatically, just leave out the user params in the _ycq.push calls. If a predefined cookie exists, it will be used, otherwise a new one will be created.

Tracking Code Quickstart

The YOOCHOOSE JavaScript is a Google-like tracking API (ga.js) that you can paste into your pages. It activates the YOOCHOOSE tracking by inserting http://cdn.yoochoose.net/yct.js into the page.

In order to use this on your pages, copy the code snippet below, replacing X-YOUR MANDATOR ID-X with your mandator ID, X-PAGE ID-X with your page/item identifier andX-USER ID-X with the one generated by your user identifier. All identifiers can be of any string form. Paste this snippet into your website template page so that it appears before the closing </head> tag.

<script type="text/javascript">
  var _ycq = _ycq || [];
  _ycq.push(['_setMandator', 'X-YOUR MANDATOR ID-X']);
  _ycq.push(['_trackEvent', '1','click', 'X-PAGE ID-X' ,'X-USER ID-X']);

  (function() {
    var yc = document.createElement('script'); yc.type = 'text/javascript'; yc.async = true;
    yc.src = ('https:' == document.location.protocol ? 'https://' : 'http://') + 'cdn.yoochoose.net/yct.js';
    var ycs = document.getElementsByTagName('script')[0]; ycs.parentNode.insertBefore(yc, ycs);


How the Asynchronous Syntax Works

The _ycq object is what makes the asynchronous syntax possible. It acts as a queue, which is a first-in, first-out (FIFO) data structure that collects API calls until yct.jsis ready to execute them. To add to the queue, use the _ycq.push method.

To push an API call onto the queue, you must convert it from the traditional JavaScript syntax into a command array. Command arrays are simply JavaScript arrays that conform to a certain format. The first element in a command array is the name of the tracker object method you want to call. It must be a string. The rest of the elements are the arguments you want to pass to the tracker object method. These can be any JavaScript value.

Tracking Code: The _ycq Global Object

The _ycq global object can be used directly for asynchronous page tracking via the push(...) method. 

_ycq Object Methods



Executes the given command array, which is simply a JavaScript array that conforms to the following format. The first element of the array must be the name of a tracker object method passed as a string. The rest of the array elements are the values to be passed in as arguments to the function. 

Here is an example of typical usage of the method:

var _ycq = _ycq || [];
_ycq.push(['_setMandator', 'X-YOUR MANDATOR ID-X']);
_ycq.push(['_trackEvent', '1','click', 'http://mydoc.pdf' ,'user1234']);

Tracker Object Names

  • _setMandator

    executed with one additional parameter: MandatorId


    _ycq.push (['_setMandator' ,'X-YOUR MANDATOR ID-X']);

  • _trackEvent is executed with 4 additional parameters: ItemType, EventType, ItemId, UserId

    EventType can be any of the described types 

    Example of capturing an event:

    _ycq.push(['_trackEvent', '1','buy', ' http://mydoc.pdf ' ,'user1234x']);

  • _trackTimedEvent

    executed with 5 additional parameters: ItemType, EventType, ItemId, Timeout, UserId

    EventType can be any of the described types

    Timeout can be any integer number bigger than 0 representing time in ms.


    _ycq.push(['_trackTimedEvent','1','consume',' http://mydoc.pdf','20000' ,'user1234x' ]); //consume event will be sent after 20s

  • _login

    executed with 2 additional parameters: anonymous userId, pseudonymous userId

    It is to be triggered when a user logs in and the tracking identity is changed.

  • If you want to send a click recommended event you can append the following parameter to the recommended item URLs :


    Example: http://mydomain.com/mypage.html?ycreco=true or https://mydomain.com/mypage.html?myparameter=x&ycreco=true

Tracking with HTML Event Handlers

The asynchronous tracking syntax should also be used from within DOM event handlers. For example, the following button generates an event when it is clicked:

<button onclick = "_ycq.push(['_trackEvent', '2','click','itemId1','user1234x' ])"/><button>

Even if this button is clicked before the browser has finished loading yct.js, the event will be captured and eventually executed.

Read the Docs