Inserting Google Adwords Conversion Tracking with

Question

I'm pretty new to javascript, and therein probably lies my problem. I'm trying to track AdWords conversions that occur within a widget on our site. The user fills in a form and the result from the widget is published in the same div without a page refresh. The issue I'm having is when I try to appendChild (or append in jQuery) both script elements in Google's code (shown below) the page gets 302 redirected to a blank Google page (or at least that's what it looks like through FireBug). I'm able to provide a callback method for the results of the form, and that's where I'm trying to insert the AdWords tracking code. For reference, this is the code provided by Google:

<script type="text/javascript">
/* <![CDATA[ */
var google_conversion_id = 993834405;
var google_conversion_language = "en";
var google_conversion_format = "3";
var google_conversion_color = "ffffff";
var google_conversion_label = "bSpUCOP9iAIQpevy2QM";
/* ]]> */
</script>
<script type="text/javascript" src="http://www.googleadservices.com/pagead/conversion.js">
</script>
<noscript>
<div style="display:inline;">
<img height="1" width="1" style="border-style:none;" alt="" src="http://www.googleadservices.com/pagead/conversion/993834405/?label=bSpUCOP9iAIQpevy2QM&amp;guid=ON&amp;script=0"/>
</div>
</noscript>

Pretty standard stuff. So, what I'm trying to do is insert this into the results page using the callback method (which is provided). Frankly, I'm redirected no matter when I try to insert this code using js or jQuery (either on original page load or in the callback) so maybe the callback bit is irrelevant, but it's why I'm not just pasting it into the page's code.

I've tried a number of different ways to do this, but here's what I currently have (excuse the sloppiness. Just trying to hack my way through this at the moment!):

function matchResultsCallback(data){

    var scriptTag = document.createElement('script');
    scriptTag.type = "text/javascript";
    scriptTag.text = scriptTag.text + "/* <![CDATA[ */\n";
    scriptTag.text = scriptTag.text + "var google_conversion_id \= 993834405\;\n";  
    scriptTag.text = scriptTag.text + "var google_conversion_language \= \"en\"\;\n";   
    scriptTag.text = scriptTag.text + "var google_conversion_format \= \"3\"\;\n";
    scriptTag.text = scriptTag.text + "var google_conversion_color \= \"ffffff\"\;\n";
    scriptTag.text = scriptTag.text + "var google_conversion_label \= \"bSpUCOP9iAIQpevy2QM\"\;\n";
    scriptTag.text = scriptTag.text + "/* ]]> */\n";
    $('body').append(scriptTag);

    $('body').append("<script type\=\"text\/javascript\" src\=\"http://www.googleadservices.com/pagead/conversion.js\" />");
    //I have also tried this bit above using the same method as 'scriptTag' with no luck, this is just the most recent iteration.

    var scriptTag2 = document.createElement('noscript');
    var imgTag = document.createElement('img');
    imgTag.height = 1;
    imgTag.width = 1;
    imgTag.border = 0;
    imgTag.src = "http://www.googleadservices.com/pagead/conversion/993834405/?label=bSpUCOP9iAIQpevy2QM&amp;guid=ON&amp;script=0";

    $('body').append(scriptTag2);
    $('noscript').append(imgTag);
}

The really odd thing is that when I only insert one of the script tags (it doesn't matter which one), it doesn't redirect. It only redirects when I try to insert both of them.

I've also tried putting the first script tag into the original page code (as it's not making any calls anywhere, it's just setting variables) and just inserting the conversions.js file and it still does the redirect.

If it's relevant I'm using Firefox 3.6.13, and have tried the included code with both jQuery 1.3 and 1.5 (after realizing we were using v1.3).

I know I'm missing something! Any suggestions?

Answer 1

Since the script uses document.write so it needs to be re-written

document.write = function(node){ // exactly what document.write should of been doing..
  $("body").append(node);
}
    window.google_tag_params = {
        prodid: pageId,
        pagetype: pageTypes[pageType] || "",
        value: "234324342"
    };
    window.google_conversion_id = 2324849237;
    window.google_conversion_label = "u38234j32423j432kj4";
    window.google_custom_params = window.google_tag_params;
    window.google_remarketing_only = true;

    $.getScript("http://www.googleadservices.com/pagead/conversion.js")
.done(function() {
      // script is loaded.
    });

See https://gist.github.com/c7a316972128250d278c

Answer 2

// This takes care of it for jQuery. Code can be easily adapted for other javascript libraries:

        function googleTrackingPixel() {
            // set google variables as globals
            window.google_conversion_id = 1117861175
            window.google_conversion_language = "en"
            window.google_conversion_format = "3"
            window.google_conversion_color = "ffffff"
            window.google_conversion_label = "Ll49CJnRpgUQ9-at5QM"
            window.google_conversion_value = 0

            var oldDocWrite = document.write // save old doc write

            document.write = function(node){ // change doc write to be friendlier, temporary
                $("body").append(node)
            }

            $.getScript("http://www.googleadservices.com/pagead/conversion.js", function() {

                setTimeout(function() { // let the above script run, then replace doc.write
                    document.write = oldDocWrite
                }, 100)

            })
        }

// and you would call it in your script on the event like so:

$("button").click( function() {
   googleTrackingPixel()
})

Answer 3

Nowadays it is convenient to use the Asynchronous Tag at http://www.googleadservices.com/pagead/conversion_async.js that exposes the window.google_trackConversion function.

This function can be used at any time. For example after submitting a form, like in your case.

See https://developers.google.com/adwords-remarketing-tag/asynchronous/

---

Update 2018

Situation changed and it seems that you have more options now with the gtag.js: https://developers.google.com/adwords-remarketing-tag/

Answer 4

In your Adwords account - if you change the conversion tracking event to "Click" instead of "Page Load" it will provide you with code that creates a function. It creates a snippet like this:

<!-- Google Code for Developer Contact Form Conversion Page
In your html page, add the snippet and call
goog_report_conversion when someone clicks on the
chosen link or button. -->
<script type="text/javascript">
  /* <![CDATA[ */
  goog_snippet_vars = function() {
    var w = window;
    w.google_conversion_id = <Your ID Here>;
    w.google_conversion_label = "<Your value here if any>";
    w.google_remarketing_only = false;
  }
  // DO NOT CHANGE THE CODE BELOW.
  goog_report_conversion = function(url) {
    goog_snippet_vars();
    window.google_conversion_format = "3";
    window.google_is_call = true;
    var opt = new Object();
    opt.onload_callback = function() {
    if (typeof(url) != 'undefined') {
      window.location = url;
    }
  }
  var conv_handler = window['google_trackConversion'];
  if (typeof(conv_handler) == 'function') {
  conv_handler(opt);
  }
}
/* ]]> */
</script>
<script type="text/javascript"
  src="//www.googleadservices.com/pagead/conversion_async.js">
</script>

Then in your code you just call:

goog_report_conversion();

Or for a link or image click:

<a href="" onclick="goog_report_conversion();">click here</a>

Answer 5

After trying everything the link Funka provided (http://articles.adamwrobel.com/2010/12/23/trigger-adwords-conversion-on-javascript-event) was what worked for me. Like he said it's scary to overwrite document.write, but It seems like this is what you have to do unless you can load the script before the page load.

Answer 6

This works for me:

window.google_trackConversion({
    google_conversion_id: 000000000, 
    conversion_label : "xxxxxxxxxxxx",
    google_remarketing_only: false,
    onload_callback : function(){
        //do something :)
    }
});