Definitions for "Dead Link"
A link to a URL that no longer exists and displays a 404 error, page not found.
Any link that produces a 404 page not found error.
When a web page has been moved or no longer exits, or if the server is down and an Internet link cannot find the desired page, it is referred to as a dead link. Whether they are removed automatically by the search engines or as result of being reported as a dead link, their removal helps to degrease indexing burdens and keep the indexes clean and accurate.
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