Vision.se W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Attribute “xmlns:og” not allowed here.
Attribute “xmlns:fb” not allowed here.
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
Bad value “creation_date” for attribute “http-equiv” on element “meta”.
Bad value “last-modified” for attribute “http-equiv” on element “meta”.
Bad value “revised” for attribute “http-equiv” on element “meta”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “path” not allowed on element “li” at this point.
Element “div” not allowed as child of element “h2” in this context. (Suppressing further errors from this subtree.)
Element “div” not allowed as child of element “h3” in this context. (Suppressing further errors from this subtree.)
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
Element “div” not allowed as child of element “h1” in this context. (Suppressing further errors from this subtree.)
The “aria-controls” attribute must point to an element in the same document.
Warnings:
Attribute with the local name “xmlns:og” is not serializable as XML 1.0.
Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.
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