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What is a 404 Error? How to Fix It and Prevent It from Happening Again

Updated: Aug 23, 2023

Encountering a 404 error can be frustrating for website visitors and detrimental to user experience. A 404 error occurs when a user attempts to access a webpage that the server cannot find. It's essential for website owners and administrators to understand what causes a 404 error, how to fix it promptly, and implement preventive measures to ensure a smooth browsing experience. In this blog post, we will delve into the details of a 404 error, discuss common causes, provide solutions for fixing it, and offer preventive measures to avoid its recurrence.

  • Understanding a 404 Error:

A 404 error, also known as "404 Page Not Found," is an HTTP response status code that indicates the requested webpage could not be found on the server. When a user clicks on a broken or outdated link, mistypes a URL, or attempts to access a page that has been removed or moved without proper redirection, the server returns a 404 error page. This error informs the user that the desired webpage does not exist on the server.

Common Causes of a 404 Error

Several factors can contribute to the occurrence of a 404 error on your website:

  • Broken or Dead Links: Internal or external links that lead to non-existent or moved pages can trigger a 404 error. This often happens when a webpage has been deleted or its URL has been modified without implementing proper redirection.

  • Incorrect URL Entry: Users may mistype or enter an incorrect URL, resulting in a 404 error. This could be due to typographical errors, case sensitivity, or missing characters.

  • Website Restructuring or Updates: When you modify your website's structure, redesign pages, or update content, it's crucial to ensure proper redirection from old URLs to new ones. Failing to do so can lead to 404 errors if users attempt to access the old URLs.

  • Solutions to Fix a 404 Error: Fixing a 404 error is essential for maintaining a positive user experience and preventing potential customer frustration. Here are some effective solutions:

  • Check for Broken Links: Regularly review your website for broken or dead links using tools like Google Search Console, broken link checkers, or website auditing software. Once identified, update or remove the broken links and replace them with the correct URLs.

  • Implement Proper Redirection: When moving or modifying webpages, use 301 redirects to direct users and search engines from the old URL to the new URL. This ensures a seamless transition and prevents 404 errors.

  • Customize the 404 Error Page: Create a customized 404 error page that provides helpful information, navigation links, and a search bar to help users find what they're looking for. This personal touch can improve the user experience and steer users back on track.

Preventive Measures to Avoid 404 Errors

Taking proactive measures to prevent 404 errors can save time, enhance user experience, and maintain a healthy website:

  • Regularly Monitor and Update Links: Continuously monitor your website for broken links, especially after making changes or updates. Routinely check internal and external links to ensure they are functional and lead to the intended webpages.

  • Utilize URL Redirects: Whenever you move or rename webpages, set up proper redirects to ensure users are automatically directed to the new URLs. This helps search engines update their indexes and prevents 404 errors.

  • Use Descriptive URLs: Create descriptive, user-friendly URLs that accurately reflect the content of the page. Avoid using cryptic or ambiguous URLs that may confuse users or cause them to mistype the URL.

  • Educate Users with Clear Navigation: Provide clear navigation menus and search functionality on your website to help users find the information or products they are looking for. A well-structured and intuitive website reduces the likelihood of users encountering 404 errors.


A 404 error can disrupt the browsing experience and frustrate website visitors. Understanding the causes of a 404 error, promptly fixing broken links, implementing proper redirection, and taking preventive measures are crucial for maintaining a seamless user experience. Regularly monitor and update links, use redirects when modifying webpages, and provide clear navigation to minimize the occurrence of 404 errors. By ensuring that users can easily access the content they desire, you can enhance user satisfaction, retain visitors, and establish a positive online presence.

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