• The phenomenon of hyperlinks tending over time to cease to point to their originally targeted file, web page, or server due to that resource being relocated or becoming permanently unavailable. A link that no longer points to its target, often called a broken or dead link, is a specific form of dangling pointer. The rate of link rot is a subject of study and research due to its significance to the Internet’s ability to preserve information. Estimates of that rate vary dramatically between studies. ← Wikipedia

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