Broken Links Are Normal Web Decay

A broken navigation link, a dead citation, and an expired external domain do not create the same kind of problem. Some broken links can add stress to already busy teams. Others make visitors question whether the page is still current. Some carry a more serious trust risk if the destination has been repurposed into something harmful.

That is why it helps to separate broken links by the kind of response they need. Internal links usually point back to business process, ownership, and release discipline.

External links require more vigilance because the destination can change without warning. If a linked-to outside domain expires and gets repurchased, the issue stops being a simple cleanup task and starts becoming a credibility and safety problem.

Internal issues are the part you can usually fix with better business process. They tend to come from page moves, renamed files, old campaign URLs, navigation changes… you get the picture. The things that change as teams, priorites, and companies do.

That is why internal link cleanup benefits from routine habits, not only emergency fixes. A yearly full review regardless of site changes, a scheduled scans throughout the year to cover not only your site’s content but also header, footer, and business/mission critical links.

In practice, internal link health improves when ownership is clear: someone closes the loop after campaign pushes, content revisions, and even platform migrations.

External links are different because you do not control the destination. Other publishers are doing the same to their site that you do to yours… continually improve and evolve. That means external link maintenance is usually less about permanent fixes and more about paying attention over time.

When an external link fails, the work is usually editorial. You’ll need to adjust the content if a 1-to-1 replacement can’t be found. The key is vigilance: review citation-heavy pages, resource lists, and older evergreen content often enough that dead references do not sit unnoticed for years.

Scheduled scans still help here because they shorten the gap between a source disappearing and your team noticing it (or one of your visitors does and sends an email)

The researchers found that even variations on well-known government domains are being targeted by malicious ad networks. — Krebs on Security

Some external links deserve more urgency because the destination may not stay simply broken. Krebs on Security’s reporting on parked domains serving malicious content is a useful reminder that expired or abandoned domains can be repurposed into malware delivery, deceptive landing pages, or other harmful destinations.

That matters for trust.

Nominus’ guidance on cybercriminal abuse of expired domains highlights how that kind of abuse can confuse customers, support fraud, and damage confidence in the brands connected to those domains. If someone clicks a once-legitimate reference from your site and lands somewhere suspicious, they are not thinking about DNS lifecycle management. They are thinking that your site sent them somewhere unsafe.

There is also a search-quality angle. Seobility’s explanation of bad neighborhoods describes how websites can be associated with spam-heavy or low-quality link environments, which is another reason external link checks should include judgment, not just status codes. A destination can technically resolve and still be the wrong place to send people if it now looks deceptive, abandoned, or untrustworthy.