When a link takes you somewhere else instead of taking you to the original website or the link shows a 404 error message. It means that the link is broken. There are various causes of a broken link. Some of the causes are:

1. The target website has been deleted.

2. The target website is not available.

3. The permalink of target website have been changed or modified.

Broken links are bad for your website as it lowers the reputation of your website. It is very bad idea to have several broken links on your website. This tool is very easy to use for checking broken links on your website. Just enter the URL in the textbox and hit enter.