Osn.cz W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Element “title” must not be empty.
Bad value “” for attribute “href” on element “link”: Must be non-empty.
Element “title” not allowed as child of element “head” in this context. (Suppressing further errors from this subtree.)
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
End tag “div” seen, but there were open elements.
Unclosed element “span”.
Bad value “” for attribute “id” on element “div”: An ID must not be the empty string.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Bad value “auto” for attribute “height” on element “img”: Expected a digit but saw “a” instead.
CSS: “border”: Parse Error.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Warnings:
The “type” attribute for the “style” element is not needed and should be omitted.
The “navigation” role is unnecessary for element “nav”.
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