Kaplan.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Bad value “button” for attribute “type” on element “a”: Subtype missing.
Element “optgroup” is missing required attribute “label”.
Element “option” without attribute “label” must not be empty.
CSS: “weight”: Property “weight” doesn't exist.
CSS: Parse Error.
An element with the attribute “role=button” must not appear as a descendant of the “a” element.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The “type” attribute for the “style” element is not needed and should be omitted.
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