What is LinkRot?
In brief, it's when web pages previously accessible at a particular URL are no longer reachable at that URL due to movement or deletion of the pages.
In a perfect universe, there is no LinkRot, because everything is planned ahead of time. In practice, that's not feasible and, obviously, it's contradictory to wikiness.
See:
HealingLinkRot,
CoolURIsDontChange
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Contributors: MeredithLesly
Discussion