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  1. HTTP 404 - Wikipedia

    In HTTP, the 404 response status code indicates that a web client (i.e. browser) was able to communicate with a server, but the server could not provide the requested resource.

  2. HTTP response status codes - MDN Web Docs

    Oct 30, 2025 · Responses are grouped in five classes: The status codes listed below are defined by RFC 9110. Note: If you receive a response that is not listed here, it is a non-standard …

  3. Page Not Found Error: Causes and Solutions - Lifewire

    Jun 3, 2025 · A 404 error means the webpage you're looking for can't be found on the server. You can fix a 404 error by checking the URL or refreshing the webpage. If the page is moved, find …

  4. 404 Not Found Error: How to Fix - phoenixNAP

    Jun 19, 2025 · The "404 Not Found" error indicates the server was unable to find the requested resource. Learn what causes it and how to fix it.

  5. What is a 404 Error Code? What It Means and How to Fix It (2025)

    5 days ago · What is a 404 error? 404 is a status code that tells a web user that a requested page is not available. 404 and other response status codes are part of the web's Hypertext Transfer …

  6. What Is a 404 Error Code and How to Fix Page Not Found Issues

    Sep 12, 2025 · Learn what a 404 error code means, common causes and effective ways to fix 404 errors to improve your website’s user experience and SEO.

  7. What do I do if I get a 404 error on the Internet?

    Mar 15, 2025 · A 404 error is an HTTP (HyperText Transfer Protocol) status code error shown as "Not Found 404" or "Page Not Found" that indicates the server could not open the requested …