How to Create Sitemap for Blogger?

It is very important to generate  a sitemap for your blog,if you create a sitemap you get more visitor  in your blog what is sitemap?.sitemap is a  digital map of all your contents on a blog or website, it is very important to create a sitemap which can be  easily understand by search engine,there are have many kinds of sitemaps like,rss.xml sitemap, atom sitemaps,video sitemaps e.t.c,but Sharing is sexy