Google Alerts is a notification for the Google index page or blog. It is Free for Any User.  If any websites page or blog did index in google then will do Alerts in Email.

How to Set Up a Google Alert

It takes a minute or less to set up a Google Alert:

  1. Go to http://www.google.com/alerts
  2. Type in the search query you want to monitor.
  3. Choose what type of results you want to follow (everything, news, blogs, video, discussions, or books).
  4. Choose how often you want to receive updates (as-it-happens, once a day, or once a week).
  5. Choose if you want “Only the best results” or “All results.”
  6. Choose the email address you want your alerts sent to, or create a feed.
  7. Click “Create Alert.”

You’ll see a preview of your results to the right of the form: