• The phenomenon of hyperlinks to tend to cease to point to their originally targeted file, web page, or server over time, due to the respective 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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