Errors:
Attribute “xmlns:og” not allowed here.
Attribute “xmlns:fb” 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”.
Bad value “” for attribute “href” on element “link”: Must be non-empty.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.
Attribute “tab-target” not allowed on element “li” at this point.
Attribute “tab-cat” not allowed on element “li” at this point.
Attribute “tab-target” not allowed on element “a” at this point.
Attribute “tab-cat” not allowed on element “a” at this point.
Duplicate ID “pressroom-category”.
Element “a” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
No “li” element in scope but a “li” end tag seen.
Start tag “a” seen but an element of the same type was already open.
Stray end tag “a”.
The “rev” attribute on the “a” element is obsolete. Use the “rel” attribute instead, with a term having the opposite meaning.
Stray end tag “span”.
Bad value “” for attribute “src” on element “img”: Must be non-empty.
No space between attributes.
Stray end tag “div”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Warnings:
Attribute with the local name “xmlns:og” is not serializable as XML 1.0.
Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The first occurrence of ID “pressroom-category” was here.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
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