When a link on a website is not working because the page or the entire site no longer works then this is a "dead link." Dead links are bad for visitors, because still get error messages when clicking on a link, as for the position in the search engines. Google sees a dead link as a negative factor for the quality of a site.
With the open source program LinkChecker, you can complete websites to check for the presence of dead links.
LinkChecker is a free tool for Windows, Mac and Linux. With this tool, you can use a website to check on links that no longer work. The software checks both online documents as full websites on dead links.
LinkChecker has the following characteristics:
You can free download LinkChecker and safe install the latest trial or new full version for Windows 10 (x32, 64 bit) from the official site.