Errors:
No space between attributes.
Duplicate attribute “the”.
Duplicate attribute “art”.
Duplicate attribute “and”.
Duplicate attribute “of”.
Quote “'” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Attribute “s” not allowed on element “meta” at this point.
Attribute “main” not allowed on element “meta” at this point.
Attribute “focus” not allowed on element “meta” at this point.
Attribute “has” not allowed on element “meta” at this point.
Attribute “been” not allowed on element “meta” at this point.
Attribute “working” not allowed on element “meta” at this point.
Attribute “closely” not allowed on element “meta” at this point.
Attribute “with” not allowed on element “meta” at this point.
Attribute “art” not allowed on element “meta” at this point.
Attribute “museums” not allowed on element “meta” at this point.
Attribute “and” not allowed on element “meta” at this point.
Attribute “foundations” not allowed on element “meta” at this point.
Attribute “such” not allowed on element “meta” at this point.
Attribute “as” not allowed on element “meta” at this point.
Attribute “the” not allowed on element “meta” at this point.
Attribute “guggenheim,” not allowed on element “meta” at this point.
Attribute “london” not allowed on element “meta” at this point.
Attribute “transport” not allowed on element “meta” at this point.
Attribute “museum,” not allowed on element “meta” at this point.
Attribute “philadelphia” not allowed on element “meta” at this point.
Attribute “museum” not allowed on element “meta” at this point.
Attribute “of” not allowed on element “meta” at this point.
Attribute “frank” not allowed on element “meta” at this point.
Attribute “lloyd” not allowed on element “meta” at this point.
Attribute “wright” not allowed on element “meta” at this point.
Attribute “foundation.” not allowed on element “meta” at this point.
Attribute “p22” not allowed on element “meta” at this point.
Bad value “” for attribute “is” on element “meta”: Must be non-empty.
Attribute “not” not allowed on element “meta” at this point.
Attribute “your” not allowed on element “meta” at this point.
Attribute “typical” not allowed on element “meta” at this point.
Attribute “type” not allowed on element “meta” at this point.
Attribute “you” not allowed on element “meta” at this point.
Attribute “will” not allowed on element “meta” at this point.
Attribute “find” not allowed on element “meta” at this point.
Attribute “all” not allowed on element “meta” at this point.
Attribute “kinds” not allowed on element “meta” at this point.
Attribute “fun” not allowed on element “meta” at this point.
Attribute “inspirational” not allowed on element “meta” at this point.
Attribute “designs” not allowed on element “meta” at this point.
Attribute “within,” not allowed on element “meta” at this point.
Attribute “including...cezanne.'” not allowed on element “meta” at this point.
Duplicate attribute “style”.
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 “a”.
End tag “div” seen, but there were open elements.
Unclosed element “span”.
The “center” element is obsolete. Use CSS instead.
Bad value “_new” for attribute “target” on element “a”: Reserved keyword “new” used.
Duplicate ID “cart_tot”.
Duplicate ID “frmsearch”.
Duplicate ID “search”.
The “width” attribute on the “table” element is obsolete. Use CSS instead.
The “width” attribute on the “td” element is obsolete. Use CSS instead.
The “valign” attribute on the “td” element is obsolete. Use CSS instead.
The “align” attribute on the “table” element is obsolete. Use CSS instead.
The “align” attribute on the “td” element is obsolete. Use CSS instead.
End of file seen and there were open elements.
Unclosed element “div”.
The “aria-labelledby” attribute must point to an element in the same document.
Warnings:
Attribute “guggenheim,” is not serializable as XML 1.0.
Attribute “museum,” is not serializable as XML 1.0.
Attribute “within,” is not serializable as XML 1.0.
Attribute “including...cezanne.'” is not serializable as XML 1.0.
The first occurrence of ID “cart_tot” was here.
The first occurrence of ID “frmsearch” was here.
The first occurrence of ID “search” was here.