That is, it is a directory on the World Wide Web of (all or part of) the World Wide Web.
It was once a standalone service, but was later acquired by Google so you can now set up Feedburner for your RSS feeds within your Google Account.
Once configured, you will get statistics such as these and more.
For RSS feed subscribers, that isn’t such a bad thing.
But whenever you use things like Comment Luv (the benefits of which will be discussed later on in the post), you will want your URL to be directed to your blog instead of redirected through Feedproxy.
A RSS (Really Simple Syndication) feed is a XML-based format for your content.