html - Using <link> where 'rel' is not 'stylesheet' -

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under circumstances might 1 use <link> element rel other stylesheet? html5 supports quite few other rel values on link elements, including

but link elements go in head section; don't correspond page contents. point of linking bunch of semantically-interesting documents if user has no way of opening link?

historically, web browsers exposed "structural" rel links, such "first", "prev", "next", "last", etc. in user interface. instance, some versions of icab browser displayed buttons in toolbar these links.

nowadays, though, they're unused web browsers. i'm not aware of common use them. indeed, there's no clear use them in many modern web applications. (there's no obvious "next" page question on stack overflow, instance.)


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