Broken links are one of the most common technical issues found on websites. They create a poor user experience, interrupt navigation, and prevent search engines from properly crawling and understanding your site. Over time, broken links can negatively impact site quality, trust, and overall search performance.
In this guide, you’ll learn what broken links are, why they matter, the most common causes, and how to fix them effectively.
What Are Broken Links?
A broken link is a hyperlink that no longer leads to its intended destination. When users or search engine bots click a broken link, they are often met with an error page, such as a “404 Page Not Found” response.
Broken links can occur within your website (internal links) or point to external websites that no longer exist or have changed.
Why Broken Links Are a Problem
Broken links disrupt the browsing experience and reduce user trust. When visitors encounter errors, they are more likely to leave your site without completing their intended action.
From a technical perspective, broken links create crawl inefficiencies. Search engines may waste time attempting to access non-existent pages, which can reduce the attention given to important content.
Types of Broken Links
Broken links generally fall into two main categories.
Internal broken links occur when a page on your website links to another page that no longer exists or has been moved.
External broken links happen when your site links to an external resource that has been removed or relocated without a proper redirect.
Both types require attention to maintain a healthy website.
Common Causes of Broken Links
Broken links usually result from changes made to a website or external resources over time. Understanding the causes helps prevent future issues.
Page Deletion or URL Changes
When pages are deleted or URLs are changed without updating internal links, broken links are created. This often happens during site redesigns, content pruning, or URL restructuring.
Without proper redirects, both users and search engines encounter errors when trying to access old URLs.
Incorrect URL Formatting
Simple mistakes such as typos, missing characters, or incorrect use of uppercase and lowercase letters can lead to broken links.
Even a small formatting error can prevent a link from resolving correctly, especially on servers that treat URLs as case-sensitive.
Domain or Protocol Changes
Switching from HTTP to HTTPS or changing domain names can cause widespread broken links if not handled properly.
Links that still point to the old protocol or domain may fail if redirects are not correctly implemented.
Broken External Resources
External websites frequently update, restructure, or remove content. When this happens, links pointing to those resources become broken without any action taken on your side.
Because you don’t control external websites, these links can break unexpectedly.
Incorrect Redirect Implementation
Redirect chains, loops, or improperly configured redirects can lead to broken links. If a redirect points to a non-existent page or creates an infinite loop, users and bots will not reach the intended destination.
Redirect issues are common during migrations and technical updates.
CMS or Plugin Issues
Content management systems and plugins can generate broken links due to bugs, outdated configurations, or improper updates.
Automatic link generation features sometimes create incorrect URLs if settings are not carefully managed.
How Broken Links Affect SEO
Broken links can reduce crawl efficiency by leading search engine bots to dead ends. This wastes crawl resources and can delay the discovery of important pages.
They can also weaken internal linking structure, preventing link equity from flowing properly across the site.
Although broken links do not typically cause direct penalties, a high number of them can signal poor site maintenance and reduce overall quality.
How to Find Broken Links
Regular audits are essential for identifying broken links. Crawling tools and site audits help detect errors across internal and external links.
Analyzing crawl reports and server responses allows you to locate broken URLs and understand their impact.
How to Fix Broken Internal Links
Fixing internal broken links should be a priority because you control these URLs.
You can resolve them by:
- Updating links to point to the correct existing pages
- Restoring deleted pages if they are still valuable
- Implementing proper redirects to relevant alternatives
Correcting internal links improves navigation and crawlability.
How to Fix Broken External Links
For external broken links, review whether the resource is still useful.
Possible solutions include:
- Updating the link to a working and relevant source
- Removing the link if no suitable replacement exists
- Linking to a similar, authoritative resource
Keeping external links updated maintains credibility.
Redirects and Broken Links
Redirects play a crucial role in fixing broken links caused by URL changes.
Permanent redirects ensure users and search engines reach the correct destination while preserving link equity. Redirects should always point to the most relevant alternative page.
Preventing Broken Links
Preventing broken links is easier than fixing them later.
Best practices include:
- Monitoring site changes carefully
- Updating internal links during content edits
- Running regular link audits
- Avoiding unnecessary URL changes
Consistent maintenance reduces long-term issues.
Broken Links and User Experience
A website filled with broken links feels unreliable and frustrating. Users expect smooth navigation and working resources.
Fixing broken links improves trust, usability, and engagement, which indirectly supports better performance.
Broken Links During Site Migrations
Migrations are a common source of broken links. Structural changes, new URLs, and removed content can all create errors.
Careful planning and testing help ensure links continue to work correctly after migration.
Monitoring Broken Links Over Time
Broken links can appear at any time due to content changes or external updates. Ongoing monitoring helps catch issues early.
Regular checks allow you to maintain a clean and healthy link profile.
Best Practices for Managing Broken Links
A proactive approach ensures long-term stability.
Key practices include:
- Performing routine technical audits
- Fixing errors promptly
- Maintaining consistent URL standards
- Reviewing external links periodically
Well-maintained links support both usability and search performance.
Conclusion
Broken links are a common but avoidable technical issue. They harm user experience, reduce crawl efficiency, and weaken site structure when left unresolved.
By identifying broken links, fixing them correctly, and monitoring your site regularly, you can maintain a healthier website that supports better navigation, stronger technical performance, and long-term SEO success.