Gupapai.com W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
The “type” attribute for the “style” element is not needed and should be omitted.
The “type” attribute is unnecessary for JavaScript resources.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “main” role is unnecessary for element “main”.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Errors:
Attribute “itemprop” not allowed on element “meta” at this point.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
The “center” element is obsolete. Use CSS instead.
No “p” element in scope but a “p” end tag seen.
End tag “symbol” did not match the name of the current open element (“defs”).
Stray end tag “symbol”.
The “itemprop” attribute was specified, but the element is not a property of any item.
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