As you know that it is not easy to check manually the broken links in a website. Suppose if the site contains thousands of web pages and the pages keeps on getting added or deleted at the same time. In this situation it is impossible to manually test the broken links in a site. So in this case you need a tool to do this job. 'Xenu's Link Sleuth' free application helps you to check all links on web pages for errors. The application will shows which links are broken and which are active. So here I am explaining how to test broken links in a website by this application.