Masterbundles.com W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “button” role is unnecessary for element “button”.
The first occurrence of ID “timer” was here.
The first occurrence of ID “mc4wp-form-2” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Errors:
Attribute “itemprop” not allowed on element “meta” at this point.
A document must not include more than one “meta” element with its “name” attribute set to the value “description”.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Stray end tag “input”.
No “p” element in scope but a “p” end tag seen.
Duplicate ID “timer”.
End tag “aside” seen, but there were open elements.
Unclosed element “div”.
Duplicate ID “mc4wp-form-2”.
The “aria-labelledby” attribute must point to an element in the same document.
The “itemprop” attribute was specified, but the element is not a property of any item.
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