how to subscribe to a website

if you find some useful information in website or blogsite imagine you want to get all of that sites posts, you can subscribe to that site, most of website has feed link or subscription link ( similar to subscribe to this blog or post )

for example this blogsite has subscription link, when someone want to subscribe the user will redirect to this sites feedburner page, in there you can select your news readers ( eg - google users can subscribe via google reader, yahoo users can subscribe via my yahoo )

when contents of the blogsite gets new posts the readers will automatically recieve the new posts. therefore users can find what they want in a single location.