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404 NOT FOUND!
Sorry, the article you need was not found!!
A 404 page is an essential page for a website, bearing the responsibility of user experience and SEO optimization. A 404 page usually occurs when a user visits a page that does not exist or has been deleted on the website, and the server returns a 404 error. If the webmaster does not set up a 404 page, dead links will appear, and when crawlers visit such URLs, it is not conducive to search engine indexing.
Origin of 404 Not Found
It is said that before the Third Industrial Revolution, the form of the Internet was a large central database, which was set up in room 404. At that time, all requests were manually completed. If the required file was not found in the database, or if the requester wrote the wrong file number, the user would get a return message: room 404 : file not found. Later, the Internet...