Errors:
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Element “title” must not be empty.
A “link” element with a “sizes” attribute must have a “rel” attribute that contains the value “icon” or the value “apple-touch-icon”.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Element “legend” not allowed as child of element “fieldset” in this context. (Suppressing further errors from this subtree.)
The element “input” must not appear as a descendant of the “a” element.
Bad value “presentation” for attribute “role” on element “a”.
Element “p” not allowed as child of element “h1” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “searchform”.
Duplicate ID “s”.
Bad value “tabpanel” for attribute “role” on element “ul”.
Duplicate ID “ui-accordion-4-header-4”.
The element “footer” must not appear as a descendant of the “header” element.
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.
End tag “div” seen, but there were open elements.
Unclosed element “ul”.
Saw “<!--” within a comment. Probable cause: Nested comment (not allowed).
Stray end tag “a”.
Element “br” not allowed as child of element “dl” in this context. (Suppressing further errors from this subtree.)
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
The first occurrence of ID “searchform” was here.
The first occurrence of ID “s” was here.
The first occurrence of ID “ui-accordion-4-header-4” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
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).
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