ecifying the <code>--host</code> parameter allows you detect links that are internal by identifying links with that host name. External links are verified by making a request to the appropriate website.  On the other hand, internal links are verified by inspecting the presence and content of local files.</p>
<p>We must be careful when using the <code>--host</code> argument to only pass the host (and path, if necessary) <strong>without</strong> the protocol.  For example, this is how we specify the hostname 