Install linkchecker-gui by entering the following commands in the terminal:
sudo apt update sudo apt install linkchecker-gui
Description:
check websites and HTML documents for broken links (GUI client)
Provides a graphical interface "linkchecker-gui" to check links of websites and HTML documents. Features: o recursive checking o multithreaded o HTTP/1.1, HTTPS, FTP, mailto:, news:, nntp:, Telnet and local file links support o proxy support o username/password authorization for HTTP, FTP and Telnet o robots.txt exclusion protocol support o i18n support
Homepage: https://wummel.github.io/linkchecker/
Version: 9.3-5
Section: universe/web