Google Webmaster Tools
Google Webmaster Tools provides you with detailed reports about your pages’ visibility on Google. To get started, simply add and verify your site and you’ll start to see information right away.
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.
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 Google about your pages with Sitemaps: which ones are the most important to you and how often they change. You can also let Google know how you would like the URLs they index to appear.