Ecfor.ru W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “//api.w.org/” for attribute “rel” on element “link”: The string “//api.w.org/” is not a registered keyword.
No “p” element in scope but a “p” end tag seen.
The text content of element “script” was not in the required format: Expected space, tab, newline, or slash but found “l” instead.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
The “banner” role is unnecessary for element “header”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “navigation” role is unnecessary for element “nav”.
The “complementary” role is unnecessary for element “aside”.
The “contentinfo” role is unnecessary for element “footer”.
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