sitemap in robots.txt
How to reference your sitemap in your robots.txt file
An easy way to point the search engines to your newly created sitemap is to place a reference inside your robots.txt file.
Simple add the following line to your robots.txt file, insert your own domain name and name of your sitemap file.
Sitemap: http://www.example.com/sitemap.xml
This
I think this is called Autodiscovery sitemap.
you can also add URLlist.txt & ROR.Xml in the robots.txt same as Sitemap.xml
its also helpful for SEO point of view.
Regards
Laxmi Narayan
No need to add, It will automatically track all these things.
Regards,
iliyas