Errors:
Attribute “xmlns:og” not allowed here.
Attribute “xmlns:fb” not allowed here.
A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Bad value “” for attribute “href” on element “link”: Must be non-empty.
Stray end tag “head”.
Start tag “body” seen but an element of the same type was already open.
Stray start tag “ul”.
Stray end tag “ul”.
Duplicate ID “resp_navigation”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “style” not allowed as child of element “section” in this context. (Suppressing further errors from this subtree.)
No space between attributes.
Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.
Bad value “100%” for attribute “height” on element “iframe”: Expected a digit but saw “%” instead.
No “p” element in scope but a “p” end tag seen.
Duplicate ID “searchform”.
Duplicate ID “s”.
A slash was not immediately followed by “>”.
Duplicate attribute “the”.
Duplicate attribute “a”.
Duplicate attribute “and”.
Duplicate attribute “press”.
Duplicate attribute “to”.
“<” in attribute name. Probable cause: “>” missing immediately before.
Attribute “?” not allowed on element “img” at this point.
Attribute “ken” not allowed on element “img” at this point.
Attribute “doctor” not allowed on element “img” at this point.
Bad value “” for attribute “is” on element “img”: Must be non-empty.
Attribute “an” not allowed on element “img” at this point.
Attribute “analyst” not allowed on element “img” at this point.
Attribute “with” not allowed on element “img” at this point.
Attribute “a” not allowed on element “img” at this point.
Attribute “ringside” not allowed on element “img” at this point.
Attribute “seat” not allowed on element “img” at this point.
Attribute “at” not allowed on element “img” at this point.
Attribute “the” not allowed on element “img” at this point.
Attribute “greatest” not allowed on element “img” at this point.
Attribute “story” not allowed on element “img” at this point.
Attribute “ever” not allowed on element “img” at this point.
Attribute “told” not allowed on element “img” at this point.
Attribute “about” not allowed on element “img” at this point.
Attribute “global” not allowed on element “img” at this point.
Attribute “news” not allowed on element “img” at this point.
Attribute “media” not allowed on element “img” at this point.
Attribute “industry.” not allowed on element “img” at this point.
Attribute “he’s” not allowed on element “img” at this point.
Attribute “become” not allowed on element “img” at this point.
Attribute “go-to” not allowed on element “img” at this point.
Attribute “speaker,” not allowed on element “img” at this point.
Attribute “press” not allowed on element “img” at this point.
Attribute “source” not allowed on element “img” at this point.
Attribute “and” not allowed on element “img” at this point.
Attribute “consultant” not allowed on element “img” at this point.
Attribute “for” not allowed on element “img” at this point.
Attribute “legacy” not allowed on element “img” at this point.
Attribute “emerging” not allowed on element “img” at this point.
Attribute “from” not allowed on element “img” at this point.
Attribute “berlin” not allowed on element “img” at this point.
Attribute “to” not allowed on element “img” at this point.
Attribute “sydney,” not allowed on element “img” at this point.
Attribute “moscow” not allowed on element “img” at this point.
Attribute “sao” not allowed on element “img” at this point.
Attribute “paulo” not allowed on element “img” at this point.
Attribute “orlando” not allowed on element “img” at this point.
Attribute “new” not allowed on element “img” at this point.
Attribute “york.” not allowed on element “img” at this point.
Attribute “newsonomics” not allowed on element “img” at this point.
Attribute “engagements” not allowed on element “img” at this point.
Attribute “include” not allowed on element “img” at this point.
Attribute “keynotes,” not allowed on element “img” at this point.
Attribute “conference” not allowed on element “img” at this point.
Attribute “leadership,” not allowed on element “img” at this point.
Attribute “company-based” not allowed on element “img” at this point.
Attribute “strategy” not allowed on element “img” at this point.
Attribute “workshop” not allowed on element “img” at this point.
Attribute “sessions,” not allowed on element “img” at this point.
Attribute “campus” not allowed on element “img” at this point.
Attribute “residencies.” not allowed on element “img” at this point.
Attribute “find” not allowed on element “img” at this point.
Attribute “out” not allowed on element “img” at this point.
Attribute “how” not allowed on element “img” at this point.
Attribute “your” not allowed on element “img” at this point.
Attribute “<strong” not allowed on element “img” at this point.
Stray end tag “strong”.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
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 “navigation” role is unnecessary for element “nav”.
The first occurrence of ID “resp_navigation” was here.
The “article” role is unnecessary for element “article”.
The first occurrence of ID “searchform” was here.
The first occurrence of ID “s” was here.
Attribute “?” is not serializable as XML 1.0.
Attribute “he’s” is not serializable as XML 1.0.
Attribute “speaker,” is not serializable as XML 1.0.
Attribute “sydney,” is not serializable as XML 1.0.
Attribute “keynotes,” is not serializable as XML 1.0.
Attribute “leadership,” is not serializable as XML 1.0.
Attribute “sessions,” is not serializable as XML 1.0.
Attribute “<strong” is not serializable as XML 1.0.
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.