Xenu’s Link Sleuth (TM) checks Web sites for broken links. Link verification is done on “normal” links, images, frames, plug-ins, backgrounds, local image maps, style sheets, scripts and java applets. It displays a continously updated list of URLs which you can sort by different criteria. A report can be produced at any time.
Simple, no-frills user-interface
Can re-check broken links (useful for temporary network errors)
Simple report format, can also be e-mailed
Executable file smaller than 1MB
Supports SSL websites (“https:// “)
Partial testing of ftp, gopher and mail URLs
Detects and reports redirected URLs