Google analytics is a tracking & analysis tool or services from Google which is completely free. Google analytics allows web masters to analyze the traffic flow on their website in a scientific way. Although there are many tools available online, Google analytics is the best. We can set goals in Google analytics with the landing page as target. Google analytics will be helpful mainly to dynamic websites that have lot of contents.
The tracking is done by storing data’s as access logs in server. Although these are stored as text files, these can be formatted so that programs can read and present in a much better way. Usually in Google analytics IP address, URL Visited, time, place, date, country, city, medium, source, number of visitors, number of unique visitors, time each user spend etc are recorded.
To learn more please visit: http://www.google.com/analytics/