Google Analytics
Google Analytics is a free service offered by Google that generates detailed statistics about the visitors to a website. Its main highlight is that a webmaster can optimize his ad campaigns through Google Analytics' analysis of where the visitors came from, how long they stayed on the website, and their geographical position.
Google's service was modeled upon Urchin Software Corporation's analytics system, Urchin on Demand (Google acquired Urchin Software in March 2005). Google still supplies the standalone Urchin on Demand software.
Integrated with AdWords, users can optimize online campaigns by tracking landing page quality and conversions (goals). Goals might include sales, lead generation, viewing a specific page, or downloading a particular file. These can also be monetized. By using GA, marketers can determine which ads are performing, and which are not, providing the information to optimise or cull campaigns.
Prior to August 2006 Google was sending out batches of invitation codes as server availability permitted; since mid-August 2006 the service has been fully available to all users - whether you are an advertiser with Google or not. A new version of the user interface was released on May 17, 2007.
In December 2007, Google rolled out the new ga.js page tag which they recommend to use for all new accounts and new profiles for new domains. Existing urchin.js page tags will continue to work, nevertheless new tag will allow you to take advantage of the most up-to-date tracking functionality, ability to graph multiple data points at once and to track ecommerce transactions in a more readable way
Google Analytics is implemented by including what is known as a "page tag". This is referred to as the Google Analytics Tracking Code (GATC) and is a hidden snippet of JavaScript code that the user adds onto every page of their website. This code acts as a beacon, collecting anonymous visitor data and sending it back to Google data collection servers for processing. Data processing takes place hourly, though it can be 3-4 hours in arrears of real time. The use of JavaScript is one factor that prevents GA functioning on all but the latest smartphone.
This guide is licensed under the GNU Free Documentation License. It uses material from the Wikipedia.
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