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Home Blog Site Security and Management​ Guide to 404 Errors: Meaning, Causes and Fixes, Tips and FAQs
Header Image: What is a 404 Error: Meaning, Causes, How To Fix, & FAQs
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Guide to 404 Errors: Meaning, Causes and Fixes, Tips and FAQs

Key takeaways: 

  • A 404 error indicates that your browser cannot retrieve the requested page you typed into the address bar. 
  • There are several causes for 404 errors, including restricted access pages, bad links, or mistyped URLs. 
  • Using a custom 404 page can improve the user experience by directing them to a page with relevant information. 

404 errors are website diagnosis messages you’ll encounter daily on the world wide web. They can signify issues such as website configuration errors or a dead link. 

Ignoring these errors can lead to a slew of problems for your brand. For instance, having too many 404s on your site can indirectly lead to negative consequences to its SEO health. Furthermore, visitors will start mistrusting your brand, which can lead to losses in conversions and revenue.  

In short, a 404 error is not a problem that you can set aside.   

In this article, we’ll examine a 404 error, learn how to fix it, and discuss the importance and benefits of custom 404 pages. 

What is 404 error?  

A ‘404 error not found’ is a standard HTTP status code that means the webpage you’re looking for doesn’t exist on the server. 

Think of it like using a search engine: if the search engine can’t find what you’re looking for, it shows no results. Similarly, when you type a web address into your browser, it looks for that specific page. If the page isn’t there, you get a 404 error. 

How do 404 errors work?

When you type a web address (URL) or click a link, your web browser immediately asks the server (the computer storing the website) for the files needed to show you that page.

Think of the URL as a precise address. It tells the server exactly where to find the website’s files. If the server finds them, it sends them back to your browser, and the page appears.

But what if the server can’t find the page? Maybe you typed the address wrong, or the page was deleted or moved. In that case, the server can’t fulfill your request. Instead, it sends back a “404 status code.”

This 404 code tells your browser that the page you’re looking for isn’t there. Your browser then shows you a “404 error” message, usually saying something like “Page Not Found.”

What are the common causes of 404 errors? 

Pay attention to these common reasons that lead to a 404 error: 

  • The URL does not exist. A 404 error appears whenever you incorrectly type a website or domain name. The website isn’t accessible on the internet, which results in your browser displaying the error. 
  • The resource is either moved or deleted. Web browsers look up a page based on the URL structure. So, whenever you move files to another folder or remove them from a webpage, the server returns a 404 error. 
  • A misconfigured server. If you incorrectly set up your server settings, your website will display a 404 error. The 404 error page appears when the server is unable to handle or load the requested page. 
  • Broken links. Visitors clicking site links get a “page does not exist” error when you have mistyped, incorrect, or outdated links. 
  • Access restrictions. These can occur when a user attempts to access a secure resource. In this case, the server returns the error to prevent unauthorized resource access. 
  • Outdated content management system (CMS). An outdated content management system (CMS) can cause problems like broken links, leading to those “404 page not found” errors.
  • Website migration. When you redesign or move your website, old page addresses (URLs) often change. If you don’t redirect them, links to those old URLs will lead to 404 errors.
  • External links. If another website links to your page and you delete or move that page, visitors clicking that link will see a 404 error. That’s why it’s important to monitor external links and set up redirects when needed.

Impact of 404 errors: Why should you fix them? 

Don’t underestimate 404 errors on your website. Even a few can significantly harm your site’s performance and reputation. Here’s how 404 errors can affect your site: 

  • Poor user experience 
  • Damaged credibility 
  • Lower search engine rankings 
  • Lost link equity 

Poor user experience 

When visitors hit a 404 error, their browser stops cold. They see a “page not found” message, which is frustrating, especially if they’re looking for something specific. This often makes them leave your site, which, in turn, increases your bounce rate and cuts down on the time they spend there. 

Damaged credibility 

A website riddled with 404 errors looks neglected and unprofessional. Visitors might see your site as unreliable, outdated, or even suspicious. This can seriously damage your brand’s reputation and reduce how much people engage with your content. 

Lower search engine rankings 

Search engines like Google want to show users the best, most relevant results. Websites with lots of 404 errors signal that the site isn’t well-maintained or doesn’t offer a good experience. This can negatively impact your search engine rankings, making it much harder for people to find you. 

Links are vital for SEO. When other websites link to yours, it tells search engines that your content is valuable and authoritative. This “link equity” helps boost your search rankings. But when those links point to 404 pages, that link equity is wasted. Search engines can’t follow broken links, which hurts your site’s visibility in search results.

What tools can help address 404 errors? 

Whether you’re an expert or new to online business, it’s good to note the four core items of a successful website: 

  • User experience 
  • SEO 
  • Credibility 
  • Maintenance  

When fixing 404 errors, it’s equally important to use tools that lighten up the workload for efficiency. If you want to avoid 404 errors on your website without doing the manual work, here are tools available at your disposal:  

  • Screaming Frog 
  • SEMrush 
  • Ahrefs, Moz, and Broken Link Checker 
  • Chrome extensions 
  • Log file analysis 
  • Google Search Console 
  • Website crawlers 

Here’s a closer look at each tool and how it can help you find and fix 404 errors: 

  • Screaming Frog. This software scans your website and finds pages with 404 errors and helpful information like page titles and HTTP status codes.  
  • SEMrush. It crawls your website, detects any errors, and provides a list of URLs that need your attention.  
  • Other tools. Ahrefs, Moz, and Broken Link Checker to identify and resolve dead links.  
  • Chrome extensions. Chrome extensions like Check My Links and LinkMiner provide a quick and easy way to test links. 
  • Manual checking. Click every link yourself. This works for small sites but is too time-consuming for larger ones. 
  • Log file analysis. For busy websites, examine your server’s log files, which record all requests, including 404s. 
  • Google Search Console. This free Google tool helps you find 404s through: 
  1. Coverage Report. Shows 404 errors Google found while crawling your site. 
  2. Sitemaps. Submitting a sitemap helps Google (and you) identify 404s more efficiently. 
  • Website crawler tools. Automated tools that scan your site for broken links: 
  1. Dead link checker. Specifically finds broken internal and external links. 
  2. ATOMSEO. Identifies 404 errors and other technical SEO problems. 

How to fix a 404 error

Aside from being frustrating, a 404 error can negatively impact the website’s credibility. Whenever you see a 404 error, remember these ways to fix it. 

There are five options you can control from your end: 

  • Create custom error pages  
  • Redirect broken URLs and manage links 
  • Fix file permissions 
  • Temporarily disable the .htaccess file  
  • Restore website backup   

Let’s dive in with more details: 

Create custom error pages 

A custom error page is a good solution for a “404 not found” error. It should tell the user that the page they’re looking for doesn’t exist and give them helpful options for where they can go next on the website.  

For example, a search bar or a navigation menu can help users find what they need and keep browsing without feeling annoyed. 

If a page has moved or been deleted, redirect its old address (URL) to a new, relevant page. This also applies to common misspellings or incorrect domain endings. When you discover a 404, you have a few options for the broken link itself: 

  • Restoring the page. If the page was accidentally deleted, bring it back. 
  • Redirecting the URL. Point the old, broken link to a new, relevant page. 
  • Correcting the link. If the broken link is on your own site, edit it to point to the correct page. 
  • Removing the link. If the linked content no longer exists and there’s no suitable alternative, remove the broken link entirely. Regularly checking for and fixing bad links (both internal and external) prevents these errors and improves user experience and SEO. 

Fix file permissions 

Sometimes, a 404 error happens because the server can’t access a file due to incorrect permissions. Make sure your server has the right access to display the content. This is often done via your hosting control panel or FTP. 

Temporarily disable the .htaccess file 

Your .htaccess file can sometimes contain instructions that conflict with the server, causing 404 errors. Temporarily disabling it can help you pinpoint if it’s the source of the problem. If it is, you’ll need to review and fix problematic directives within the file. 

Restore website backup 

If 404 errors suddenly appear across your site, restoring a recent backup (from before the errors started) can quickly fix the issue. Use your web hosting control panel or an FTP client to restore the backup, then verify that the errors are gone. 

Once you restore the backup, check your website carefully to ensure no 404 errors exist. 

Why does a custom 404 error page enhance the user experience? 

Finding a 404 error while browsing the web is outright frustrating. As a visitor, it wastes your time and probably affects your opinion of the website that returned the error. That’s where a custom 404 error page can resolve these issues. 

Here’s what you get from a personalized 404 webpage: 

  • Reduces frustration. A customized page helps users understand they’ve hit a dead end, reducing confusion. 
  1. You can add contact info, links to popular pages, or a search bar to guide them. 
  2. For eCommerce sites, consider adding a product search to keep shoppers engaged. 
  3. If you’re a service provider, include suggestions or links to your support resources. 
  • Keeps users engaged. Custom 404 pages can guide users back to functional parts of the site. 
  • Strengthens brand identity. A well-designed page aligns with your website’s style and tone and reinforces brand consistency. 
  • Improves SEO. A custom page can include links to popular content, which helps users discover more and signals to search engines that you’re aware of the issue and are actively addressing it. 
  • Adds a touch of humor or creativity. A playful or creative 404 page can turn a negative experience into a memorable and positive one. 

Tips for creating an effective 404 page 

Custom error pages are great for addressing a poor user experience caused by missing pages. Here are some quick tips for creating a good 404 page: 

  • Explain what happened and why the page is not available to website visitors. 
  • Apologize for the inconvenience and show empathy for the user. 
  • Provide a search function or a list of links to help users find what they want. 
  • Use humor or creativity to make web pages like these more engaging and less boring. 
  • Keep the design consistent with your website branding and style. 
  • Track and analyze 404 errors to identify and fix a broken link or missing page. 

Example: 

Custom 404 Error Page from Network Solutions

How does a 404 error affect your ranking and reputation? 

404 errors can damage a website’s SEO ranking and reputation in several ways:  

  • They can reduce user experience and satisfaction, which leads to higher bounce rates and lower conversions.  
  • They can affect the website’s crawl budget and indexation, making it harder for search engines to discover and rank the relevant pages.  
  • They can harm a website’s authority and trustworthiness, especially if caused by dead or broken links or outdated content.  

Keep your website 404 error-free 

404 errors are not just annoying; they can hurt your site’s traffic and rankings. Quickly fixing them improves user experience and keeps your site running smoothly. A custom 404 page with humor, visuals, and helpful links can even turn frustration into a positive interaction, ultimately boosting engagement and reputation. Regularly checking for broken links is a necessary task. By eliminating 404 errors, you help visitors find what they need easily. This, in turn, enhances user experience and signals search engines that your site is reliable. Remember, a well-maintained site builds trust and preserves valuable link equity and improves SEO and rankings. 

Network Solutions can assist you in maintaining a well-functioning website, which can lead to increased traffic, better user engagement, and a positive brand reputation. 

Frequently asked questions 

What is a 404 error?

A 404 error (or “Not Found”) is an HTTP status code indicating that while your browser connected to a server, the specific page or resource you requested couldn’t be found. It commonly occurs when you mistype a web address, click a broken link, or the content has been moved or deleted from the server. 

Does a 404 error mean I was blocked? 

No, a 404 error doesn’t mean you were blocked. It simply means the page you’re looking for isn’t there anymore. It’s like going to a store and finding out they no longer sell that item. 

How do I fix a 404 Not Found error? 

You have a few options if you find a 404 error on your website. You could try to restore the page if you accidentally deleted it. If you moved the page to a new location, you could redirect the old link to the new one. Sometimes, a typo in the link causes the 404 error, so double-check the URL. If the page is gone for good, it’s best to remove any links leading to it. 

Can my website benefit from a custom 404 error page? 

Yes, personalized 404 pages improve the user experience. It can help redirect users to a functioning page or find the answers they want. 

Should I include links on my 404 page? 

Yes, you should include links on your 404 page. Links help keep users engaged when they encounter an error. It also helps them return to your homepage or find the search bar. 

Are 403 errors the same as 404 errors?

No. A 403 error occurs when a server denies access to a webpage. A 404 error happens when the specific page or resource you requested couldn’t be found.

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