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Though it is a popular internet myth. The "404 Not Found" error originated from a system designed by [[wikipedia:Tim_Berners-Lee|Tim Berners-Lee]] and [[wikipedia:Robert_Cailliau|Robert Cailliau]], who created a numerical system for error codes. The "404" was assigned to "not found" status by random programmer choice, and Cailliau has explicitly stated the number was not linked to a physical room at the facility, debunking the myth that it referred to a server room on the fourth floor.
Though it is a popular internet myth. The "404 Not Found" error originated from a system designed by [[wikipedia:Tim_Berners-Lee|Tim Berners-Lee]] and [[wikipedia:Robert_Cailliau|Robert Cailliau]], who created a numerical system for error codes. The "404" was assigned to "not found" status by random programmer choice, and Cailliau has explicitly stated the number was not linked to a physical room at the facility, debunking the myth that it referred to a server room on the fourth floor.
<ref>{{Cite news |last=Wiener |first=Anna |title=Page Not Found: A Brief History of the 404 Error |url=https://www.wired.com/story/page-not-found-a-brief-history-of-the-404-error/ |access-date=2025-11-21 |work=Wired |language=en-US |issn=1059-1028}}</ref>
==References==
==References==
{{reflist}}
{{reflist}}
[[Category:Anecdotes]]
[[Category:Anecdotes]]
[[Category:WWW]]
[[Category:WWW]]

Revision as of 09:32, 24 November 2025

404 is a http response status code. The common story that "404" was named after a specific room on CERN's fourth floor where files were manually retrieved is a myth.

Though it is a popular internet myth. The "404 Not Found" error originated from a system designed by Tim Berners-Lee and Robert Cailliau, who created a numerical system for error codes. The "404" was assigned to "not found" status by random programmer choice, and Cailliau has explicitly stated the number was not linked to a physical room at the facility, debunking the myth that it referred to a server room on the fourth floor.

[1]

References

  1. Wiener, Anna. "Page Not Found: A Brief History of the 404 Error". Wired. ISSN 1059-1028. Retrieved 2025-11-21. {{cite news}}: Cite uses generic title (help)