Errors:
Duplicate attribute “xmlns:fb”.
Attribute “xmlns:fb” not allowed here.
Attribute “xmlns:addthis” not allowed here.
Bad value “screen, projection” for attribute “media” on element “link”: Deprecated media type “projection”. For guidance, see the Media Types section in the current Media Queries specification.
Bad value “1” for attribute “media” on element “link”: Expected “(” or letter at start of a media query part but saw “1” instead.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
No space between attributes.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “searchform”.
Duplicate ID “s”.
Duplicate ID “searchsubmit”.
End tag “div” seen, but there were open elements.
Unclosed element “nav”.
Unclosed element “header”.
Stray end tag “nav”.
Stray end tag “header”.
Stray end tag “div”.
Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Duplicate attribute “src”.
Bad value “ <img width=” for attribute “src” on element “img”: Illegal character in path segment: “<” is not allowed.
Attribute “360"” not allowed on element “img” at this point.
Bad value “https://www.facebook.com/tr?id=1013024485424529&ev=PageView&noscript=1&cd[domain]=www.columbusmuseum.org” for attribute “src” on element “img”: Illegal character in query: “[” is not allowed.
Bad value “https://www.facebook.com/tr?id=1013024485424529&ev=GeneralEvent&noscript=1&cd[post_type]=page&cd[content_name]=Home&cd[post_id]=6&cd[domain]=www.columbusmuseum.org” for attribute “src” on element “img”: Illegal character in query: “[” is not allowed.
Warnings:
Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.
Attribute with the local name “xmlns:addthis” is not serializable as XML 1.0.
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 “searchsubmit” was here.
Attribute “360"” is not serializable as XML 1.0.
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