Often overlooked, Google Webmaster Tools provides you with detailed reports about your pages' visibility on Google.
Get Google's view of your site and diagnose problems - See how Google crawls and indexes your site and learn about specific problems we're having accessing it
Receive alerts in your inbox - We'll tell you if we detect that your site has malware or generates errors.
Discover your link and query traffic - View, classify, and download comprehensive data about internal and external links to your site with new link reporting tools. Find out which Google search queries drive traffic to your site, and see exactly how users arrive there.
Share information about your site - Tell us about your pages with Sitemaps: which ones are the most important to you and how often they change. You can also let us know how you would like the URLs we index to appear.
Watch this video to learn more