For better position in any search engine you must need a site map. Site map is a page, where everyone can get all of your post links. It is very helpful for visitors to access all of your links. It is also very important for all search engine. By a site map, search engine can index quickly all of your posts. If you have a blog, you can use your general feed as a site map but not Feedburner site map.
General site map for any blogger is :
For WordPress FeedSmith plugin users, use this URL format: