October 24, 2023 | edited: March 20, 2024

A standard HTTP status code that indicates the server could not find the requested webpage. The HTTP 404 error code is part of the larger HTTP status code system, which is used to communicate various conditions between a web serverWeb ServerHosts and delivers web pages.
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and a user’s browserBrowserA software application that enables you to view and interact with websites.
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. These codes provide valuable information about the status of a requested webpage and help troubleshoot issues when they arise.

When you encounter an HTTP 404 error code, it typically means that the web server has successfully received your request but cannot find the specific webpage you are looking for. This may occur due to various reasons, such as:

  • The webpage has been moved or deleted: Websites often undergo changes, and it’s possible that the webpage you’re trying to access has been relocated or removed entirely. In such cases, the server cannot find the specific URL you requested, leading to the HTTP 404 error.
  • Typing errors or broken links: Mistyping a URL or clicking on a broken link can also result in a 404 error. If the URL is incorrect or the link is broken, the server won’t be able to locate the desired webpage, triggering the error code.
  • Server configuration issues: In some cases, the server itself may have configuration problems that prevent it from delivering the requested webpage. These issues could range from misconfigured settings to software glitches, all of which can result in a 404 error.
  • Caching issues: Web browsers and proxy servers often cache webpages to improve performancePerformanceRefers to how fast a website or web application loads and responds to user interactions.
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    . However, if a cached version of a webpage is stored, but the original page has been updated or removed, it can lead to a 404 error. Clearing the cacheCacheA temporary storage location that stores frequently accessed data to reduce load times.
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    or refreshing the page may help resolve this issue.

For website owners, encountering the HTTP 404 error code can be troublesome. It indicates that visitors are trying to access a webpage that no longer exists, potentially leading to a poor user experience. To mitigate this, website owners can implement strategies such as:

  • Custom error pages: Creating a custom error page with helpful information and links to relevant content can guide users who encounter a 404 error. This way, visitors are less likely to leave the website entirely and may find alternative resources.
  • Regularly monitoring and updating links: Broken links can contribute to the occurrence of 404 errors. Website owners should regularly check for broken links and fix them promptly. This can be done through tools that scan websites for broken links and provide reports for easy resolution.
  • Implementing redirectsRedirectsA way to send users and search engines from one URL to another.
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    : If a webpage has been moved or renamed, setting up a redirect can automatically send users to the new URL. This ensures a seamless browsing experience while avoiding 404 errors.


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