Hi, At Google Webmaster tool, if your site robots.txt has Sitemap:...sitemap.xml, google will say "Valid sitemap reference detected" My question is: Will google download and use the sitemap he found? And do I need submit sitemap again?
"Just make sure you include the full URL, including the http://. That's it. Of course, we still think it's useful to submit your Sitemap through Webmaster tools so you can make sure that the Sitemap was processed without any issues and you can get additional statistics about your site" Ref: http://googlewebmastercentral.blogspot.com/2007/04/whats-new-with-sitemapsorg.html