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<li class="selected"><a href="http://code.google.com/apis/analytics/docs/tracking/gaTrackingEcommerce.html">Ecommerce Tracking</a></li>
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<li>Global Objects
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<h1 class="page_title">Ecommerce Tracking</h1>
<p>Before Google Analytics can report ecommerce activity for your
website, you must enable ecommerce tracking on the profile settings page
for your website. After that, you must implement the <code>ga.js</code>
ecommerce tracking methods in your shopping cart pages or through your
ecommerce software. The collection of ecommerce methods work together to
send each user's transaction information to the Google Analytics
database as it occurs. In this way, Analytics can link a specific
referral source to a conversion or purchase. Most template-driven
ecommerce engines can be modified to include this information hidden in
the order confirmation page.</p>
<table class="columns">
<tbody><tr>
<td>
<ol class="toc">
<li><a href="#General">General Guidelines</a></li>
<li><a href="#Guidelines">Guidelines</a></li>
<li><a href="#Example">Complete Example</a></li>
</ol>
</td>
</tr>
</tbody></table>
<h2 id="General">General Process</h2>
<p>The basic process for tracking ecommerce using Google Analytics can
best be described by summarizing the three methods required for tracking
ecommerce transactions on your site. These methods are described in the
order in which you should invoke them in your shopping cart or
ecommerce software.</p>
<ol>
<li><strong>Create a transaction object.</strong>
<p>Use the <a href="http://code.google.com/apis/analytics/docs/gaJS/gaJSApiEcommerce.html#_gat.GA_Tracker_._addTrans"><code>_addTrans()</code></a>
method to intialize a transaction object. The transaction object stores
all the related information about a single transaction, such as the
order ID, shipping charges, and billing address. The information in the
transaction object is associated with its items by means of the order
IDs for the transaction and all items, which should be the same ID.</p>
</li>
<li><strong>Add items to the transaction.</strong>
<p>The <code><a href="http://code.google.com/apis/analytics/docs/gaJS/gaJSApiEcommerce.html#_gat.GA_Tracker_._addItem">_addItem()</a></code> method
tracks information about each individual item in the user's shopping cart
and associates the item with each transaction via the <code>orderId</code> field.
This method tracks the details about a particular item, such as SKU, price,
category, and quantity. </p>
</li>
<li><strong>Submit the transaction to the Analytics servers.</strong>
<p>The <code><a href="http://code.google.com/apis/analytics/docs/gaJS/gaJSApiEcommerce.html#_gat.GA_Tracker_._trackTrans">_trackTrans()</a></code>
method confirms that a purchase has occurred, and all data that has
been built up in the transaction object is finalized as a transaction.</p>
</li>
</ol>
<p>There are many ways that this information can be retrieved from the
ecommerce engine. Some ecommerce engines write the purchase information
to a hidden form that you can use, others keep the information in a
database that you can retrieve, and others store the information in a
cookie. Some of the more popular ecommerce engines that recognize
Google Analytics provide their own modules to simplify order tracking
for Analytics.</p>
<h2 id="Guidelines">Guidelines</h2>
<p>Keep in mind the following when implementing ecommerce tracking.</p>
<ul>
<li><strong>The SKU code is a required parameter for every item that is added to the transaction. </strong><br>
If a transaction contains multiple items and the SKU is not supplied for
every item, a GIF request is sent only for the last item added to the transaction
for which a SKU is provided. In addition, if your inventory has different
items with the same SKU, and a visitor purchases both of them, you will
receive data for only the most recently added. For this reason, you should
make sure that each item you offer has a unique SKU.</li>
<li><strong>The argument list for <code>_addTrans()</code> and <code>_addItem()</code> is matched by position. </strong><br>
While not all arguments are required, you should supply an empty
placeholder for unspecified arguments to avoid errors. For example, you
would add an item containing only order ID, sku, price, and quantity
like this:
<pre>_addItem("54321", "12345", "", "", "55.95", "1");</pre>
</li>
<li><strong>The values for the <code>price</code> and <code>total</code> parameters must be supplied as integers, and are not affiliated with any currency value.</strong><br>
For these parameters, either a comma or a period in the value indicates a fractional value. So, for example, if you provide <code>1,996.00</code> as the value for the <code>total</code>, it is recorded as <code>1.996</code>,
not as $1,996.00. This is because the format for this parameter is a
simple integer format and commas and other currency indicators are not
recognized. In addition, because these values are recorded as integers,
there is no association with any currency. Consequently, any currency
conversion that you require must be first handled by your ecommerce
software before you pass the data to Analytics.</li>
<li><strong>If you are implementing ecommerce tracking and using a
3rd-party shopping cart, you will likely need to configure cross-domain
tracking as well.</strong> <br>
See the section on "<a href="http://code.google.com/apis/analytics/docs/tracking/gaTrackingSite.html">Cross Domain Tracking</a>" for details.</li>
<li><strong>While not strictly required, it is a good idea to call <code>_trackPageview()</code> on your receipt page if you want to associate that particular page with the transaction data.</strong></li>
</ul>
<h2 id="Example">Complete Example</h2>
<p>The following example illustrates a sample configuration of ecommerce tracking
on a receipt page using all three methods. The use of <code>_trackPageview()</code> associates
the transaction with the page entitled <em>Receipt for your clothing purchase
from Acme Clothing</em>. </p>
<div class="tog-box tog-expanded">
<p class="tog-header"><img class="tog-img" src="04_gaTrackingEcommerce-Dateien/minus_sm.gif"><strong>Asynchronous Syntax (recommended)</strong></p>
<div class="tog-content">
<pre class="prettyprint"><span class="tag"><html></span><span class="pln"><br></span><span class="tag"><head></span><span class="pln"><br></span><span class="tag"><title></span><span class="pln">Receipt for your clothing purchase from Acme Clothing</span><span class="tag"></title></span><span class="pln"><br></span><span class="tag"><script</span><span class="pln"> </span><span class="atn">type</span><span class="pun">=</span><span class="atv">"text/javascript"</span><span class="tag">></span><span class="pln"><br><br> </span><span class="kwd">var</span><span class="pln"> _gaq </span><span class="pun">=</span><span class="pln"> _gaq </span><span class="pun">||</span><span class="pln"> </span><span class="pun">[];</span><span class="pln"><br> _gaq</span><span class="pun">.</span><span class="pln">push</span><span class="pun">([</span><span class="str">'_setAccount'</span><span class="pun">,</span><span class="pln"> </span><span class="str">'UA-XXXXX-X'</span><span class="pun">]);</span><span class="pln"><br> _gaq</span><span class="pun">.</span><span class="pln">push</span><span class="pun">([</span><span class="str">'</span><a href="http://code.google.com/apis/analytics/docs/gaJS/gaJSApiBasicConfiguration.html#_gat.GA_Tracker_._trackPageview"><span class="str">_trackPageview</span></a><span class="str">'</span><span class="pun">]);</span><span class="pln"><br> _gaq</span><span class="pun">.</span><span class="pln">push</span><span class="pun">([</span><span class="str">'</span><a href="http://code.google.com/apis/analytics/docs/gaJS/gaJSApiEcommerce.html#_gat.GA_Tracker_._addTrans"><span class="str">_addTrans</span></a><span class="str">'</span><span class="pun">,</span><span class="pln"><br> </span><span class="str">'1234'</span><span class="pun">,</span><span class="pln"> </span><span class="com">// order ID - required</span><span class="pln"><br> </span><span class="str">'Acme Clothing'</span><span class="pun">,</span><span class="pln"> </span><span class="com">// affiliation or store name</span><span class="pln"><br> </span><span class="str">'11.99'</span><span class="pun">,</span><span class="pln"> </span><span class="com">// total - required</span><span class="pln"><br> </span><span class="str">'1.29'</span><span class="pun">,</span><span class="pln"> </span><span class="com">// tax</span><span class="pln"><br> </span><span class="str">'5'</span><span class="pun">,</span><span class="pln"> </span><span class="com">// shipping</span><span class="pln"><br> </span><span class="str">'San Jose'</span><span class="pun">,</span><span class="pln"> </span><span class="com">// city</span><span class="pln"><br> </span><span class="str">'California'</span><span class="pun">,</span><span class="pln"> </span><span class="com">// state or province</span><span class="pln"><br> </span><span class="str">'USA'</span><span class="pln"> </span><span class="com">// country</span><span class="pln"><br> </span><span class="pun">]);</span><span class="pln"><br><br> </span><span class="com">// add item might be called for every item in the shopping cart</span><span class="pln"><br> </span><span class="com">// where your ecommerce engine loops through each item in the cart and</span><span class="pln"><br> </span><span class="com">// prints out _addItem for each</span><span class="pln"><br> _gaq</span><span class="pun">.</span><span class="pln">push</span><span class="pun">([</span><span class="str">'</span><a href="http://code.google.com/apis/analytics/docs/gaJS/gaJSApiEcommerce.html#_gat.GA_Tracker_._addItem"><span class="str">_addItem</span></a><span class="str">'</span><span class="pun">,</span><span class="pln"><br> </span><span class="str">'1234'</span><span class="pun">,</span><span class="pln"> </span><span class="com">// order ID - required</span><span class="pln"><br> </span><span class="str">'DD44'</span><span class="pun">,</span><span class="pln"> </span><span class="com">// SKU/code - required</span><span class="pln"><br> </span><span class="str">'T-Shirt'</span><span class="pun">,</span><span class="pln"> </span><span class="com">// product name</span><span class="pln"><br> </span><span class="str">'Green Medium'</span><span class="pun">,</span><span class="pln"> </span><span class="com">// category or variation</span><span class="pln"><br> </span><span class="str">'11.99'</span><span class="pun">,</span><span class="pln"> </span><span class="com">// unit price - required</span><span class="pln"><br> </span><span class="str">'1'</span><span class="pln"> </span><span class="com">// quantity - required</span><span class="pln"><br> </span><span class="pun">]);</span><span class="pln"><br> _gaq</span><span class="pun">.</span><span class="pln">push</span><span class="pun">([</span><span class="str">'</span><a href="http://code.google.com/apis/analytics/docs/gaJS/gaJSApiEcommerce.html#_gat.GA_Tracker_._trackTrans"><span class="str">_trackTrans</span></a><span class="str">'</span><span class="pun">]);</span><span class="pln"> </span><span class="com">//submits transaction to the Analytics servers</span><span class="pln"><br><br> </span><span class="pun">(</span><span class="kwd">function</span><span class="pun">()</span><span class="pln"> </span><span class="pun">{</span><span class="pln"><br> </span><span class="kwd">var</span><span class="pln"> ga </span><span class="pun">=</span><span class="pln"> document</span><span class="pun">.</span><span class="pln">createElement</span><span class="pun">(</span><span class="str">'script'</span><span class="pun">);</span><span class="pln"> ga</span><span class="pun">.</span><span class="pln">type </span><span class="pun">=</span><span class="pln"> </span><span class="str">'text/javascript'</span><span class="pun">;</span><span class="pln"> ga</span><span class="pun">.</span><span class="pln">async </span><span class="pun">=</span><span class="pln"> </span><span class="kwd">true</span><span class="pun">;</span><span class="pln"><br> ga</span><span class="pun">.</span><span class="pln">src </span><span class="pun">=</span><span class="pln"> </span><span class="pun">(</span><span class="str">'https:'</span><span class="pln"> </span><span class="pun">==</span><span class="pln"> document</span><span class="pun">.</span><span class="pln">location</span><span class="pun">.</span><span class="pln">protocol </span><span class="pun">?</span><span class="pln"> </span><span class="str">'https://ssl'</span><span class="pln"> </span><span class="pun">:</span><span class="pln"> </span><span class="str">'http://www'</span><span class="pun">)</span><span class="pln"> </span><span class="pun">+</span><span class="pln"> </span><span class="str">'.google-analytics.com/ga.js'</span><span class="pun">;</span><span class="pln"><br> </span><span class="kwd">var</span><span class="pln"> s </span><span class="pun">=</span><span class="pln"> document</span><span class="pun">.</span><span class="pln">getElementsByTagName</span><span class="pun">(</span><span class="str">'script'</span><span class="pun">)[</span><span class="lit">0</span><span class="pun">];</span><span class="pln"> s</span><span class="pun">.</span><span class="pln">parentNode</span><span class="pun">.</span><span class="pln">insertBefore</span><span class="pun">(</span><span class="pln">ga</span><span class="pun">,</span><span class="pln"> s</span><span class="pun">);</span><span class="pln"><br> </span><span class="pun">})();</span><span class="pln"><br><br></span><span class="tag"></script></span><span class="pln"><br></span><span class="tag"></head></span><span class="pln"><br></span><span class="tag"><body></span><span class="pln"><br><br> Thank you for your order. You will receive an email containing all your order details.<br><br></span><span class="tag"></body></span><span class="pln"><br></span><span class="tag"></html></span></pre>
</div></div>
<div class="tog-box tog-expanded">
<p class="tog-header"><img class="tog-img" src="04_gaTrackingEcommerce-Dateien/minus_sm.gif"><strong>Traditional Syntax</strong></p>
<div class="tog-content">
<pre class="prettyprint"><span class="tag"><html></span><span class="pln"><br></span><span class="tag"><head></span><span class="pln"><br></span><span class="tag"><title></span><span class="pln">Receipt for your clothing purchase from Acme Clothing</span><span class="tag"></title></span><span class="pln"><br></span><span class="tag"></head></span><span class="pln"><br><br></span><span class="tag"><body></span><span class="pln"><br><br> Thank you for your order. You will receive an email containing all your order details.<br><br><br></span><span class="tag"><script</span><span class="pln"> </span><span class="atn">type</span><span class="pun">=</span><span class="atv">"text/javascript"</span><span class="tag">></span><span class="pln"><br> </span><span class="kwd">var</span><span class="pln"> gaJsHost </span><span class="pun">=</span><span class="pln"> </span><span class="pun">((</span><span class="str">"https:"</span><span class="pln"> </span><span class="pun">==</span><span class="pln"> document</span><span class="pun">.</span><span class="pln">location</span><span class="pun">.</span><span class="pln">protocol </span><span class="pun">)</span><span class="pln"> </span><span class="pun">?</span><span class="pln"> </span><span class="str">"https://ssl."</span><span class="pln"> </span><span class="pun">:</span><span class="pln"> </span><span class="str">"http://www."</span><span class="pun">);</span><span class="pln"><br> document</span><span class="pun">.</span><span class="pln">write</span><span class="pun">(</span><span class="pln">unescape</span><span class="pun">(</span><span class="str">"%3Cscript src='"</span><span class="pln"> </span><span class="pun">+</span><span class="pln"> gaJsHost </span><span class="pun">+</span><span class="pln"> </span><span class="str">"google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E"</span><span class="pun">));</span><span class="pln"><br></span><span class="tag"></script></span><span class="pln"><br></span><span class="tag"><script</span><span class="pln"> </span><span class="atn">type</span><span class="pun">=</span><span class="atv">"text/javascript"</span><span class="tag">></span><span class="pln"><br></span><span class="kwd">try</span><span class="pun">{</span><span class="pln"><br> </span><span class="kwd">var</span><span class="pln"> pageTracker </span><span class="pun">=</span><span class="pln"> _gat</span><span class="pun">.</span><span class="pln">_getTracker</span><span class="pun">(</span><span class="str">"UA-xxxxx-x"</span><span class="pun">);</span><span class="pln"><br> pageTracker</span><span class="pun">.</span><a href="http://code.google.com/apis/analytics/docs/gaJS/gaJSApiBasicConfiguration.html#_gat.GA_Tracker_._trackPageview"><span class="pln">_trackPageview</span><span class="pun">()</span></a><span class="pun">;</span><span class="pln"><br> pageTracker</span><span class="pun">.</span><a href="http://code.google.com/apis/analytics/docs/gaJS/gaJSApiEcommerce.html#_gat.GA_Tracker_._addTrans"><span class="pln">_addTrans</span></a><span class="pun">(</span><span class="pln"><br> </span><span class="str">"1234"</span><span class="pun">,</span><span class="pln"> </span><span class="com">// order ID - required</span><span class="pln"><br> </span><span class="str">"Womens Apparel"</span><span class="pun">,</span><span class="pln"> </span><span class="com">// affiliation or store name</span><span class="pln"><br> </span><span class="str">"11.99"</span><span class="pun">,</span><span class="pln"> </span><span class="com">// total - required</span><span class="pln"><br> </span><span class="str">"1.29"</span><span class="pun">,</span><span class="pln"> </span><span class="com">// tax</span><span class="pln"><br> </span><span class="str">"15.00"</span><span class="pun">,</span><span class="pln"> </span><span class="com">// shipping</span><span class="pln"><br> </span><span class="str">"San Jose"</span><span class="pun">,</span><span class="pln"> </span><span class="com">// city</span><span class="pln"><br> </span><span class="str">"California"</span><span class="pun">,</span><span class="pln"> </span><span class="com">// state or province</span><span class="pln"><br> </span><span class="str">"USA"</span><span class="pln"> </span><span class="com">// country</span><span class="pln"><br> </span><span class="pun">);</span><span class="pln"><br><br><br> </span><span class="com">// add item might be called for every item in the shopping cart</span><span class="pln"><br> </span><span class="com">// where your ecommerce engine loops through each item in the cart and</span><span class="pln"><br> </span><span class="com">// prints out _addItem for each </span><span class="pln"><br> pageTracker</span><span class="pun">.</span><a href="http://code.google.com/apis/analytics/docs/gaJS/gaJSApiEcommerce.html#_gat.GA_Tracker_._addItem"><span class="pln">_addItem</span></a><span class="pun">(</span><span class="pln"><br> </span><span class="str">"1234"</span><span class="pun">,</span><span class="pln"> </span><span class="com">// order ID - necessary to associate item with transaction</span><span class="pln"><br> </span><span class="str">"DD44"</span><span class="pun">,</span><span class="pln"> </span><span class="com">// SKU/code - required</span><span class="pln"><br> </span><span class="str">"T-Shirt"</span><span class="pun">,</span><span class="pln"> </span><span class="com">// product name</span><span class="pln"><br> </span><span class="str">"Olive Medium"</span><span class="pun">,</span><span class="pln"> </span><span class="com">// category or variation</span><span class="pln"><br> </span><span class="str">"11.99"</span><span class="pun">,</span><span class="pln"> </span><span class="com">// unit price - required</span><span class="pln"><br> </span><span class="str">"1"</span><span class="pln"> </span><span class="com">// quantity - required</span><span class="pln"><br> </span><span class="pun">);</span><span class="pln"><br><br> pageTracker</span><span class="pun">.</span><a href="http://code.google.com/apis/analytics/docs/gaJS/gaJSApiEcommerce.html#_gat.GA_Tracker_._trackTrans"><span class="pln">_trackTrans</span></a><span class="pun">();</span><span class="pln"> </span><span class="com">//submits transaction to the Analytics servers</span><span class="pln"><br></span><span class="pun">}</span><span class="pln"> </span><span class="kwd">catch</span><span class="pun">(</span><span class="pln">err</span><span class="pun">)</span><span class="pln"> </span><span class="pun">{}</span><span class="pln"><br></span><span class="tag"></script></span><span class="pln"><br></span><span class="tag"></body></span><span class="pln"><br></span><span class="tag"></html></span></pre>
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