Vidyard.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
The “align” attribute on the “p” element is obsolete. Use CSS instead.
The element “button” must not appear as a descendant of the “a” element.
Attribute “target” not allowed on element “button” at this point.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Bad value “button” for attribute “type” on element “a”: Subtype missing.
End tag “section” seen, but there were open elements.
Unclosed element “div”.
Duplicate ID “getAdemoFooter”.
The “aria-controls” attribute must point to an element in the same document.
Warnings:
The “navigation” role is unnecessary for element “nav”.
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).
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “getAdemoFooter” was here.
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