YouTip

## 404 NOT FOUND! Sorry, the article you need was not found!! 404The 404 page is an essential page for any website, bearing the responsibility for user experience and SEO optimization. A 404 page is typically returned by the server when a user accesses a non-existent or deleted page on the website. If the webmaster does not set up a 404 page, dead links will occur, which is detrimental to search engine indexing when spiders crawl such URLs. ## 404 Not Found Origin 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 handled manually. If the requested file was not found in the database, or if the requester entered the wrong file number, the user would receive a return message: room 404 : file not found。Later, with the rise of the Internet, people became accustomed to using 404 as the error code for files not found on the server. Of course, actual research shows that the legendary Room 404 never existed. ## Two Major Benefits of Setting Up a 404 Page * Guide users not to close the website to enhance user experience. * Prevent Dead Links on the Website. 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