When people subscribe by email,they will recieve a email with your blog posts whenever your blog is updated.It makes visitors to come back again and again to your blog.
Feedburner is the one which provides this service for free!
Let us see how to add this to blogger
- sign in here (using your gmail account)
- type your blog's feed address provided in the box (http://****.blogspot.com/feeds/posts/default). Replace **** by your blog address. If you have embedded video in your blog click i'm podcaster otherwise no need to check it. click next
- in the new page click next again
- click "Skip directly to feed management" in the new page
- in the new page click on Publicize tab
- now in the left side of the page you can see "email subscriptions" click on it and press activate
- select blogger and copy everything in the box under subscription management
- Sign in to your blogger dashboard>layout>add a page element>html/javascript; paste the code give a name and save it! done!