The HTML5 recommendation seems to have a little ambiguity regarding <link>: http://www.w3.org/TR/html5/document-metadata.html#the-link-element
There is a phrase
Contexts in which this element can be used: Where metadata content is expected.
And there is no exact definition of this context. But the whole page describes content of this kind, for example. head, title, base, link, meta, style.
There is also a paragraph:
The link element must have the rel attribute. If the rel attribute is used, the element is limited to the head element.
It seems to have redundant or mutually exclusive phrases.
. Can someone clarify the situation with the position of the tag <link>?
Does Google treat https://developers.google.com/speed/docs/insights/OptimizeCSSDelivery#example correctly or violate the W3C recommendation?
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