The largest risk associated with the incorrect use of external links is link spam, which involves manipulating search engines through artificial links. Rel attributes of external linksTo provide search engines with clear info about the external link’s purpose, the proper rel attribute must be used. If broken external links are discovered, you have several options: Reach out to sources you’ve referencedReplace links with up-to-date onesSimply remove themAfter you find external links, you can check each one manually or use an external link checker to identify any non-functional links. Monitoring and fixing external linksBy keeping your external links up-to-date and of high quality, you can improve your site’s user experience and SEO ranking. To make the task of monitoring external links easier, there are several tools available, such as SE Ranking’s Webpage Monitor.