rlinks is a command line tool for checking that links in websites are live,
allowing also to dump chose links for later use.
It has a number of configurable options, including level of parallelism, user agent setting
and the ability to ignore urls by regex.
Snaps are applications packaged with all their dependencies to run on all popular Linux distributions from a single build. They update automatically and roll back gracefully.
Snaps are discoverable and installable from the Snap Store, an app store with an audience of millions.
Enable snapd
On Debian 9 (Stretch) and newer, snap can be installed directly from the command line: