Rocket Validator integrates the W3C Validator HTML checker into an automated web crawler.
HTML issues tagged as media.
media attribute on a
<link> element has not been recognized.
This attribute specified what media the linked resource is optimized for. As an example, the following will link a general stylesheet, and a specific one for printing:
<head> <link rel="stylesheet" type="text/css" href="general.css"> <link rel="stylesheet" type="text/css" href="print.css" media="print"> </head>
Valid values for this attribute include:
all. Default, used for all media.
screen. Used for computer, tablets or smartphone screens.
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