A sitemap is the list of all the pages of a website/blog available for crawling and indexing and/or for users.

Now to create the sitemap of any blogger blog instantly;

= => Head over to Blogger XML Sitemap

= => Right there copy and paste the entire URL of your Blogger blog including the http:// on the XLM Sitemap for Blogger field provided.

= => Click on the Generate Sitemap tab below the field and watch your blog site map generated almost immediately and displayed on a box.

Source: http://highteknology..com/2015/08/how-to-creategenerate-sitemap-of-any.html