Google webmaster tools is a FREE tool from Google that digs down to the raw data behind your site.  Its quick and easy to set up.

1. Click Google Webmaster Tools to get started.
2. One logged in, click the “Add a Site” button like you see here
   
   

   Webmaster Tools Add a Site

3. Add the URL of the website
   
   

   Webmaster Tools add URL

4. I find it easier to select “Alternate Methods” and just paste a tag into my website’s homepage. There are many methods, I just find this quick and easy
   
   

   Webmaster tools meta tag into website homepage

5. Verifiy the addition and your off!
   
   

   Webmaster Tools Verified