Google Analytics is one of the free service tool for Statistics analysis from the Search giant Google.This product is aimed at Marketers as well as the Webmaster.Its the most widely used Website statistics service on the web, currently 57% of the 10000 most popular websites are using Google Analytics.
Google Analytics can track the visitors from all referrers including the Email Marketing, Search Engines, Display network advertising and pay per click which is Google Adwords and many more.
Its already integrated with Google Adwords (the pay per click program of Google) through that the visitors can review the online running campaigns by tracking the conversions and the quality of the landing pages and much more.
Google Analytics is comes with a high level Dashboard for a layman user. Through the Analytics we can able to know that how many visitors we got from different-2 sources like Direct Traffic, Search Engine Traffic and Referral Traffic.
Direct traffic is basically the traffic that we got from typing the direct name of the website on the browser, Search Engine Traffic is one which we got from the search engines (Google, Yahoo and Bing and other search engines as well) and the last one is referral traffic that we got from another websites where the link of our website was putted.
We can add up to 50 website profiles in a single Google Analytics account.
To implement Google Analytics on our website we needs to create a Gmail account and register the same with GA, after that we can add a website as a profile.
To implement the Google Analytics, its just gives us a Google Analytics Tracking Code that we have to implement on each and every page of website before the closing of <body> tag like
<script> if(typeof(urchinTracker)!=’function’)document.write(‘<sc’+'ript src=”‘+ ‘http’+(document.location.protocol==’https:’?'s://ssl’:'://www’)+ ‘.google-analytics.com/urchin.js’+'”></sc’+'ript>’) </script> <script> try { _uacct = ‘UA-; urchinTracker(“/”); } catch (err) { } </script>
</body>
</html>
for more info related to Google Analytics
Google Analytics Official Blog