Aseanbriefing.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Duplicate ID “contactTabs”.
Stray end tag “a”.
Bad value “button” for attribute “type” on element “a”: Subtype missing.
Bad value “200px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
Duplicate ID “accordion”.
Bad value “55px” for attribute “height” on element “img”: Expected a digit but saw “p” instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The “for” attribute of the “label” element must refer to a non-hidden form control.
The “aria-controls” attribute must point to an element in the same document.
Warnings:
The first occurrence of ID “contactTabs” was here.
The “form” role is unnecessary for element “form”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “accordion” was here.
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