Hoepli.it W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The “type” attribute for the “style” element is not needed and should be omitted.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Attribute “aria-activedescendant” value should either refer to a descendant element, or should be accompanied by attribute “aria-owns”.
Errors:
The “clear” attribute on the “br” element is obsolete. Use CSS instead.
Bad value “listbox1” for attribute “role” on element “ul”.
CSS: “text-align”: Parse Error.
Attribute “boxid” not allowed on element “a” at this point.
End tag for “body” seen, but there were unclosed elements.
Unclosed element “div”.
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