Errors:
Start tag seen without seeing a doctype first. Expected “<!DOCTYPE html>”.
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
Stray end tag “link”.
The text content of element “script” was not in the required format: Expected space, tab, newline, or slash but found “{” instead.
Stray end tag “head”.
Start tag “body” seen but an element of the same type was already open.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate attribute “class”.
Duplicate attribute “title”.
No space between attributes.
Attribute “targ” not allowed on element “a” at this point.
Attribute “et” not allowed on element “a” at this point.
The “center” element is obsolete. Use CSS instead.
Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
Element “a” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
End tag “div” seen, but there were open elements.
Unclosed element “center”.
The “aria-controls” attribute must point to an element in the same document.
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