= QA =
* <tt>about:url-classifier</tt> provides lots of useful state information
* Test pages
** [http://itisatrap.org/firefox/its-an-attack.html Malware], [http://itisatrap.org/firefox/its-a-trap.html phishing], and [http://itisatrap.org/firefox/unwanted.html unwanted software] hard-coded test URLs