Link rot is an issue when the links on the website become outdated, broken, or no longer exist. The linked pages in this case do not work because they could be moved, deleted, or no longer exist. When the user clicks on them, a 404 error page pops up.
It is important to manage the link rots, as they can make the websites lose their credibility and make the user experience bad. This condition also leads to an increase in bounce rates and low ranking of the website no the search engines. The businesses who own websites need to keep a check on all the links to keep the SEO, user experience, and page authorities going well.