LinkChecker – Check websites for broken links
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Features
recursive and multithreaded checking and site crawling
output in colored or normal text, HTML, SQL, CSV, XML or a sitemap graph in different formats
HTTP/1.1, HTTPS, FTP, mailto:, news:, nntp:, Telnet and local file links support
restriction of link checking with regular expression filters for URLs
proxy support
username/password authorization for HTTP and FTP and Telnet
honors robots.txt exclusion protocol
Cookie support
HTML5 support
HTML and CSS syntax check
Antivirus check
Different interfaces: command line, GUI and web interface
Install LinkChecker in ubuntu
First you need to download linkchecker-gui .deb package from here once you have deb package you install by double clicking on it.
Screenshot