# wget -nv -r --spider www.xfce.org
[snip]

Found 11 broken links.

http://www.xfce.org/documentation/4.0/userguide/GPL
http://www.xfce.org/projects/xfce4-dev-tools
http://www.xfce.org/documentation/4.0/manuals/images/smgr_from_setup_button.png
http://www.xfce.org/documentation/4.0/userguide/BSD
http://www.xfce.org/documentation/4.0/manuals/images/smgr_from_panel.png
http://www.xfce.org/documentation/4.4/userguide/
http://www.foo-projects.org/~benny/api/libxfce4util/libxfce4util-Standard-Macros.html
http://www.xfce.org/documentation/4.0/userguide/LGPL
http://www.xfce.org/documentation/4.0/manuals/images/smgr_from_root_menu.png
http://www.xfce.org/projects/installit
http://www.xfce.org/documentation/4.0/manuals/images/settings_manager.png