Rated 5 out of 5 stars

ashawley কর্তৃক মার্চ 16, 2011 তারিখে ·

Firebug can show HTTP headers nicely from the "Net" panel. Its AJAX support is well known, but for a page request, click on the "HTML" tab.

This review is for a previous version of the add-on (0.16).