Rated 3 out of 5 stars

I have been looking for an extension that displays not only HTTP headers but the body/content as well. This extension does not display UTF-8 Byte Order Marks even though they are sent by the web server and I can see them with an external packet sniffer. I'm not sure if this is a bug in this extension or a Firefox limitation. Firefox doesn't display the BOM in its source code view either, nor does Firebug in its net traffic tab.

This review is for a previous version of the add-on (