Errors:
Bad value “en_US” for attribute “lang” on element “html”: The language subtag “en_us” is not a valid language subtag.
Bad value “Cache-Control” for attribute “http-equiv” on element “meta”.
Bad value “Pragma” for attribute “http-equiv” on element “meta”.
Bad value “Expires” for attribute “http-equiv” on element “meta”.
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
Attribute “value” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “content”, “property”.
Bad value “Golden Spikes” for attribute “id” on element “a”: An ID must not contain whitespace.
Element “div” is missing one or more of the following attributes: “role”.
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
Bad value “Golden Spikes” for attribute “name” on element “a”: An ID must not contain whitespace.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Stray end tag “span”.
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
The element “button” must not appear as a descendant of the “a” element.
Bad value “true” for attribute “defer” on element “script”.
Duplicate attribute “target”.
Bad value “tab-Sport Development” for attribute “id” on element “div”: An ID must not contain whitespace.
Bad value “Sport Development” for attribute “tabindex” on element “div”: Expected a minus sign or a digit but saw “S” instead.
Bad value “panel-Sport Development” for attribute “id” on element “div”: An ID must not contain whitespace.
Attribute “aria-labeledby” not allowed on element “div” at this point.
Bad value “list-Sport Development” for attribute “id” on element “ul”: An ID must not contain whitespace.
Bad value “tab-Team USA” for attribute “id” on element “div”: An ID must not contain whitespace.
Bad value “Team USA” for attribute “tabindex” on element “div”: Expected a minus sign or a digit but saw “T” instead.
Bad value “panel-Team USA” for attribute “id” on element “div”: An ID must not contain whitespace.
Bad value “list-Team USA” for attribute “id” on element “ul”: An ID must not contain whitespace.
Bad value “Events” for attribute “tabindex” on element “div”: Expected a minus sign or a digit but saw “E” instead.
Bad value “Video” for attribute “tabindex” on element “div”: Expected a minus sign or a digit but saw “V” instead.
Bad value “USABat” for attribute “tabindex” on element “div”: Expected a minus sign or a digit but saw “U” instead.
Bad value “About” for attribute “tabindex” on element “div”: Expected a minus sign or a digit but saw “A” instead.
Bad value “TERMS OF USE” for attribute “name” on element “a”: An ID must not contain whitespace.
Bad value “PRIVACY POLICY” for attribute “name” on element “a”: An ID must not contain whitespace.
The “aria-controls” attribute must point to an element in the same document.
An element with “role=tab” must be contained in, or owned by, an element with “role=tablist”.
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
United States US