• Checks both absolute (http://www.yoursite.com) and relative (../yourpage.htm) links
• Checks for broken in-page links (e.g. yourpage.htm#top)
• Checks for broken links to other pages on your site (e.g. yoursite/yourpage.htm)
• Checks for broken links to other sites (e.g. othersite.com)

http://www.1-hit.com/all-in-one/tool.broken-link-finder.htm