Installing Google Analytics to WordPress is easy:  add your tracking code to footer.php just above the ending </body> tag.

1. Login to WordPress
2. Go to Appearance, then select Editor – this will display the source code for your word press files, be careful here!
3. With your Editor open, on the right hand side of your screen just underneath Theme Files, find Templates.
4. Under Templates, select footer.php by clicking on it – this will load the source code for footer.php into the editor.
5. Insert your Analytics code just above the ending </body> tag then click Update File and you’re good to go.

If you’re asking “What is Google Analytics?”  – it’s robust tracking software that allows you to monitor how users interact with your site. You get site stats plus the ability to set up goal conversions for product sales, lead generation and more.  You can also wire up Analytics with your AdWords campaigns and eCommerce platform which gives you the ability to track dollar-for-dollar your advertising spend and monitor ROI%.

It’s free to sign up for Google Analytics:  http://www.google.com/analytics/sign_up.html