Read the sticky thread http://forums.digitalpoint.com/showthread.php?t=531765 Hope it will clear all the doubts
If you are confused about the different kinds of sitemaps that exist, check this sitemap article. It discusses and shows examples of: HTML/XHTML sitemaps XML sitemaps protocol (called Google sitemaps in the beginning) RSS sitemaps (on which ROR sitemaps expands) Text sitemaps
It is a map which lists the url of your site,the google robbot can follow the map to reach your pages much easier.It can help your site indexed quickly.
http://forums.digitalpoint.com/showthread.php?t=796890 Check this it will beneficial to you in getting good ranking also.
I do not have idea " But the Google xml sitemap can add in ask dot com. freeproxyserver.net/index.php?q=aHR0cDovL3N1Ym1pc3Npb25zLmFzay5jb20vcGluZz9zaXRlbWFwPQ%3D%3D
XML-Sitemaps.com Visit the above link. Here is an example of a sitemap: http://www.aviationearth.com/SITEMAP.html
Thanks for the links to the other threads! I was about to start a thread asking how Site Maps help, now I know! Sarah
google sitemap is sitema.xml and be sure Sitemap.xml not sitemap.xml and you can get FREE online tools to generate google sitemap. I have created for my lots of websites