The platforms like wordpress provides you the feature of automatic sitemap generation.But how do you create sitemap of your blogger platform based blog. It is important that you should have a sitemap to promote your website.The sitemaps can be added to platforms like Google Webmaster Tools.
Let us see how to create a sitemap (site map) of blogger blog . Once you have added your blogger blog to Google Webmaster Tools you need to add Sitemap of your blog to Google Webmaster Tools.
But how do you create sitemap for your blog?
It is simple.
You can either use your RSS feed or ATOM feed as sitemap in Google Webmaster Tools.
First find your RSS feed or ATOM feed URL.Normally it will be in the following format.
http://yourblog.blogspot.com/rss.xml
or
http://yourblog.blogspot.com/atom.xml
Normally the feed will not have all your blog entries,it will have the latest ‘n’ number of entries.
So how do you create a feed URL with all the blog entries?
You can do it as follows.
Just add the ‘start blog index’ and ‘number of blogs’ in the feed url as parameters as below.
http://yourblog.blogspot.com/rss.xml?max-results=500&start-index=1
The above url will include maximum 500 feed entries in the sitemap.
Now you are ready to add your Sitemap to Google Webmaster Tools. See it here.
How to add Google Sitemap for Blogger blog to Google Webmaster Tools?
Binu George , the author of Globinch.com, is a technology blogger from India and a software solution architect by profession. 
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Thanks for your comment
Thank you. This was a nightmare for me to find this information! But you made it so easy! Why do all the other sites make this so complicated??? and confusing??? Off to see what else you can teach me!
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Thank you.
This worked for me after trying everything. This is the only thing that worked. Thanks alot.
Kevin
I get a red x after I submit the code. This is the message:
“Your Sitemap appears to be an HTML page. Please use a supported sitemap format instead”
Does it make a difference if I use feedburner? I get this message when I submit the code: rss.xml?max-results=500&start-index=1 as my google sitemap.
I have also tried: rss.xml?redirect=false&start-index=1&max-results=500 as suggested by another website, and atom instead of rss – all with the same error message, my sitemap is an html page.
Any suggestions?