External references
Smartsite 7 - ...
In this menu you can see all the external references to files and websites, which are used by content items. On the right side you can filter the references on link type and link state. This makes it easier to find references you are looking for. There is an option to rescan the references. Any modified references will be refreshed.
Removing Orphans
After clicking on remove orphans you will get a list of all the unused external references. When you click on OK the unused references will be removed.