Sfdhr.org W3C HTML Markup Validation
HTML markup errors and warnings
(Rescan now...)
Errors:
Element “none” not allowed as child of element “h2” in this context. (Suppressing further errors from this subtree.)
End tag “h2” seen, but there were open elements.
Unclosed element “none”.
Bad value “header” for attribute “role” on element “header”.
Saw “<?”. Probable cause: Attempt to use an XML processing instruction in HTML. (XML processing instructions are not supported in HTML.)
Duplicate ID “Shape”.
Element “path” is missing required attribute “d”.
Duplicate ID “Rectangle-path”.
Start tag “a” seen but an element of the same type was already open.
Stray end tag “a”.
Element “meta” is missing required attribute “content”.
Element “meta” is missing required attribute “itemprop”.
Too many messages.
Warnings:
Empty heading.
The first occurrence of ID “Shape” was here.
The first occurrence of ID “Rectangle-path” was here.
The “navigation” role is unnecessary for element “nav”.
The “main” role is unnecessary for element “main”.
United States US