Google Webmaster Tools is another free tool provided by Google. You can use it to see links in to your website and check your rankings on Google for search volume, position and click through rate by keyword. It can also help you to track errors on your website and ensure that your pages have unique content.  To get started, go to https://www.google.com/webmasters/tools/home?hl=en. Add and verify your site. Think about submitting a site map to speed up how soon Google detects various pages on your site, and to ensure every page it noted by Google.