Nhptv.org W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
The element “button” must not appear as a descendant of the “a” element.
The “clear” attribute on the “br” element is obsolete. Use CSS instead.
Element “img” is missing required attribute “src”.
When the “srcset” attribute has any image candidate string with a width descriptor, the “sizes” attribute must also be present.
Element “p” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
The “name” attribute on the “img” element is obsolete. Use the “id” attribute instead.
End tag “section” seen, but there were open elements.
Unclosed element “div”.
No “p” element in scope but a “p” end tag seen.
Stray end tag “div”.
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
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