Google Analytics monitors and analyzes your website's traffic. With this tool, you can see how many website visitors you have had, whether they found your site through the search engines or clicked through from another website, which keywords were used by the people who found your site through search engines, how these visitors behaved once they were on your site, and much more. You can even connect your Google AdSense account to one or more of the domains you are monitoring in Google Analytics to get information about which pages and keywords generate the most income. While there are other analytics services available, none match the scope and scale of what Google Analytics offers.
To sign up for Google Analytics, go to http://www.google.com/analytics/. On the top-right corner of the page, you'll see a button that says, "Access Analytics". Below that is a link to sign up if you do not yet have a Google Analytics account. Click...