MediaWiki:Apihelp-query+exturlusage-param-protocol
From DISCO3.CO.UK Knowledge Base
Protocol of the URL. If empty and $1query is set, the protocol is http. Leave both this and $1query empty to list all external links.
Protocol of the URL. If empty and $1query is set, the protocol is http. Leave both this and $1query empty to list all external links.
