Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The “type” attribute for the “style” element is not needed and should be omitted.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
The “complementary” role is unnecessary for element “aside”.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The first occurrence of ID “subbox” was here.
The first occurrence of ID “subbutton” was here.
The “charset” attribute on the “script” element is obsolete.
Errors:
Element “aside” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Attribute “name” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “itemprop”, “property”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The “center” element is obsolete. Use CSS instead.
End tag “div” seen, but there were open elements.
Unclosed element “center”.
Duplicate ID “subbox”.
Duplicate ID “subbutton”.
End tag “p” implied, but there were open elements.
Unclosed element “strong”.
No “strong” element in scope but a “strong” end tag seen.
No “p” element in scope but a “p” end tag seen.
End tag “footer” seen, but there were open elements.
Unclosed element “div”.
Bad value “true” for attribute “async” on element “script”.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
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