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📅 2026-06-18 | 📂 JavaScript

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404 NOT FOUND!

Sorry, the article you are looking for was not found!!

The 404 page is an essential part of any website, playing a crucial role in user experience and SEO optimization. A 404 page is returned by the server when a user tries to access a page that does not exist or has been deleted. If the website owner does not set up a custom 404 page, broken links will appear, which is detrimental to search engine indexing when crawlers encounter such URLs.

Origin of 404 Not Found

It is said that before the Third Industrial Revolution, the internet was essentially a large central database located in room 404. At that time, all requests were manually handled by humans. If the requested file was not found in the database, or if the user entered an incorrect file number, they would receive the response: "room 404: file not found". Later, as the internet grew, people became accustomed to using 404 as the error code indicating that the server could not find the requested file. Of course, the existence of the legendary "room 404" has not been historically verified.

Two Benefits of Setting Up a 404 Page

  • Guide users not to leave the site, enhancing user experience.
  • Prevent broken links on the website.

Learn more about HTTP Status Codes.

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