Errors:
Attribute “xmlns:fb” not allowed here.
Attribute “xmlns:og” not allowed here.
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Duplicate ID “optiontrue”.
Element “input” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Bad value “” for attribute “id” on element “li”: An ID must not be the empty string.
Duplicate ID “”.
Duplicate ID “newsimportant”.
Duplicate ID “checktrue”.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
The “aria-labelledby” attribute must point to an element in the same document.
Warnings:
Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.
Attribute with the local name “xmlns:og” is not serializable as XML 1.0.
The “type” attribute is unnecessary for JavaScript resources.
The first occurrence of ID “optiontrue” was here.
The first occurrence of ID “” was here.
The first occurrence of ID “newsimportant” was here.
The first occurrence of ID “checktrue” was here.
The “form” role is unnecessary for element “form”.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The “charset” attribute on the “script” element is obsolete.
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