Google Webmaster Tools
Google Webmaster Tools is a no-charge web service powered by Google for webmasters and web-developers. It allows webmasters to check indexing status of their site and optimize visibility of their websites. It provides lots of tools to track for your website and with the help of it you can find the errors of your site links,dead links,error pages,etc.Google webmaster tools helps you to verify your website.
You can use webmaster tools with your gmail account its a free and best service from google for webmasters .In google search for the webmaster tools and login into it using your gmail account.
Here is the link :-
Login webmaster tools account