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Also check URLs that point to external domains
linkchecker
Command-line client to check HTML documents and websites for broken links.
More information: <https://linkchecker.github.io/linkchecker/>.
Trick copyright:
tl;dr; <
https://github.com/tldr-pages/tldr
>
linkchecker --check-extern {{https://example.com/}}
click the source code to copy
install
linkchecker
on any operating system with
command-not-found.com