Nothing turns a user away from a website faster than a broken link or link rot. Broken links are hyperlinks or links that do not take a user to a working web page. Instead they are directed to a 404 Error page or a page that simply does not exist.
Broken links can occur for a number of reason and the most common causes are:
When building a website, or updating a website it is imperative to check for broken links and to do so constantly, as broken links do not look good to search engine robots and can have an incredibly negative effect on search engine rankings.
Broken links can be fixed by redirecting them to the new content or removing the link and replacing them with new links.