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404 NOT FOUND!
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The 404 page is an essential page for a website, carrying the responsibility of user experience and SEO optimization. A 404 page typically appears when a user visits a page that does not exist or has been deleted, and the server returns a 404 error. If the webmaster does not set up a 404 page, dead links will occur. When spiders crawl such URLs, it is not conducive to search engine indexing.
Origin of 404 Not Found
It is said that before the third technological revolution, the form of the Internet was a large central database, which was set up in room 404. At that time, all requests were handled manually. If the file requested by the user was not found in the database, or if the user wrote the wrong file number, the user would receive a return message: room 404: file not found. Later, when the Internet emerged, people became accustomed to using 404 as the error code for the server not finding the file. Of course, in reality, the legendary room 404 does not exist.
Two major benefits of setting up a 404 page
- Guide users not to close the website and enhance user experience.
- Prevent dead links on the website.
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