Vietnamworks.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.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Empty heading.
The first occurrence of ID “form_csrf_token” was here.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
Errors:
Bad value “40px” for attribute “height” on element “img”: Expected a digit but saw “p” instead.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Element “img” is missing required attribute “src”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad character “ ” after “<”. Probable cause: Unescaped “<”. Try escaping it as “<”.
Duplicate ID “form_csrf_token”.
Attribute “hidden” not allowed on element “svg” at this point.
Bad value “” for attribute “action” on element “form”: Must be non-empty.
Attribute “maxlength” is only allowed when the input type is “email”, “password”, “search”, “tel”, “text”, or “url”.
Stray end tag “div”.
The “aria-labelledby” attribute must point to an element in the same document.
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