Onedrop.org W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Bad value “pavatar” for attribute “rel” on element “link”: The string “pavatar” is not a registered keyword.
Bad value “menubar” for attribute “role” on element “header”.
Bad value “menu” for attribute “role” on element “nav”.
Element “div” not allowed as child of element “button” in this context. (Suppressing further errors from this subtree.)
Element “p” not allowed as child of element “h1” in this context. (Suppressing further errors from this subtree.)
An element with “role=menuitem” must be contained in, or owned by, an element with “role=menubar” or “role=menu”.
Warnings:
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Empty heading.
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).
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