Internet Explorer has this option, Turn on feed reading view:
When unchecked, clicked Atom feeds will show as raw XML.
How can I do the same thing in Firefox?
Firefox – How to show raw XML for an RSS feed in Firefox
atom-feedfirefoxrssxml
Related Solutions
Goto Tools-> Options -> Applications. In the search box, type 'Web feed' and change it from 'Use Google` to Preview in Firefox.
Switch your feed to use Google Feed Burner and these stats will be generated automatically for you.
Best Answer
You could write this in your browser's Internet address bar: