Errors:
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
Text not allowed in element “iframe” in this context.
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 “div”.
Duplicate ID “content_bottom”.
No space between attributes.
Attribute “;” not allowed on element “div” at this point.
Element “center” not allowed as child of element “h2” in this context. (Suppressing further errors from this subtree.)
The “center” element is obsolete. Use CSS instead.
Saw “<” when expecting an attribute name. Probable cause: Missing “>” immediately before.
Attribute “<br” not allowed on element “img” at this point.
Named character reference was not terminated by a semicolon. (Or “&” should have been escaped as “&”.)
Start tag “a” seen but an element of the same type was already open.
Stray end tag “a”.
No “p” element in scope but a “p” end tag seen.
The “align” attribute on the “div” element is obsolete. Use CSS instead.
End tag “div” seen, but there were open elements.
Unclosed element “a”.
End tag for “body” seen, but there were unclosed elements.
Unclosed element “div”.
Warnings:
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
The “complementary” role is unnecessary for element “aside”.
The first occurrence of ID “content_bottom” was here.
Attribute “;” is not serializable as XML 1.0.
Attribute “<br” is not serializable as XML 1.0.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
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