Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
Attribute “;” is not serializable as XML 1.0.
The “navigation” role is unnecessary for element “nav”.
The first occurrence of ID “nav-one-expander” was here.
The first occurrence of ID “nav-two-expander” was here.
The first occurrence of ID “nav-three-expander” was here.
The first occurrence of ID “nav-four-expander” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Errors:
Attribute “href” not allowed on element “span” at this point.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Stray end tag “div”.
No space between attributes.
Attribute “;” not allowed on element “a” at this point.
Duplicate ID “nav-one-expander”.
Duplicate ID “nav-two-expander”.
Duplicate ID “nav-three-expander”.
Duplicate ID “nav-four-expander”.
Duplicate attribute “id”.
Bad value “presentation” for attribute “role” on element “a”.
Attribute “autocorrect” not allowed on element “input” at this point.
Attribute “;” not allowed on element “input” at this point.
The element “button” must not appear as a descendant of the “a” element.
The “aria-labelledby” attribute must point to an element in the same document.
The “itemprop” attribute was specified, but the element is not a property of any item.
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