Michaelhill.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Duplicate ID “q”.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Duplicate attribute “class”.
A “link” element must not appear as a descendant of a “body” element unless the “link” element has an “itemprop” attribute or has a “rel” attribute whose value contains “dns-prefetch”, “pingback”, “preconnect”, “prefetch”, “preload”, “prerender”, or “stylesheet”.
Attribute “alt” not allowed on element “button” at this point.
End tag for “body” seen, but there were unclosed elements.
Unclosed element “div”.
The “aria-labelledby” attribute must point to an element in the same document.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The first occurrence of ID “q” was here.
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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