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404 – Not Found: Page is gone

What does the HTTP 404 status mean, why does it happen, and how do redirects and a helpful error page help?

404 – Not Found: Page is gone
A perspective from practiceMH-Digits OÜ · Tallinn, Estonia

he famous 404 Not Found status code is probably the best-known error on the web.

What does HTTP 404 mean?

It means the server could not find the requested resource—a file or page. The server is reachable and working, but the URL you entered does not exist there.

Why does a 404 error occur?

It is like looking for a book on a shelf where it is not stored. Common causes include typos and outdated links.

When does this message appear?

When do you see this message? Whenever you click a broken link.

How can a 404 error be fixed?

The solution: redirect known broken URLs, check internal links for typos, and offer a helpful, on-brand 404 page.

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