Mac users interested in Safari bookmarks dead links generally download:
Safari Prairiefire helps retire old/expired bookmarks from within Safari. It displays Safari's bookmarks in a list, and determines if they point to dead and missing links. It can identify and help delete duplicates. Allows the user to delete any...
Additional suggestions for Safari bookmarks dead links by our robot:
Organize bookmarks in your Safari browser and delete duplicates.
bookmarks...delete duplicated bookmarks ...check dead links, etc