Borodino.ru W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “navigation” role is unnecessary for element “nav”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “main” role is unnecessary for element “main”.
The “contentinfo” role is unnecessary for element “footer”.
Errors:
Bad value “Cache-Control” for attribute “http-equiv” on element “meta”.
Bad value “cleartype” for attribute “http-equiv” on element “meta”.
Bad value “imagetoolbar” for attribute “http-equiv” on element “meta”.
Bad value “msthemecompatible” for attribute “http-equiv” on element “meta”.
Bad value “” for attribute “media” on element “link”: Media query ended prematurely.
Bad value “Chinese (Traditional)” for attribute “id” on element “li”: An ID must not contain whitespace.
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