When a hyperlink leads to a blank or error page, specifically displaying a 404 error, it is identified as a broken link. Under normal circumstances, this link is supposed to direct the user to a relevant page or resource. However, due to issues such as the page being removed or the URL being incorrectly entered, users encounter a 404 error instead. (https://virrgotech.com/how-to-find-and-fix-broken-links/)