Dumazahrada.cz W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Attribute “xmlns:fb” not allowed here.
Bad value “screen,projection” for attribute “media” on element “link”: Deprecated media type “projection”. For guidance, see the Media Types section in the current Media Queries specification.
Element “tqwgtplaceholder” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
The element “button” must not appear as a descendant of the “a” element.
Element “article” not allowed as child of element “dl” in this context. (Suppressing further errors from this subtree.)
The element “h1” must not appear as a descendant of the “dt” element.
The element “footer” must not appear as a descendant of the “footer” element.
Warnings:
Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The “navigation” role is unnecessary for element “nav”.
Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Empty heading.
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