Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Stray start tag “html”.
No “p” element in scope but a “p” end tag seen.
The element “a” must not appear as a descendant of the “button” element.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate attribute “rel”.
Saw “<” when expecting an attribute name. Probable cause: Missing “>” immediately before.
Attribute “<” not allowed on element “img” at this point.
Attribute “div” not allowed on element “img” at this point.
End tag “div” seen, but there were open elements.
Unclosed element “a”.
End tag “section” seen, but there were open elements.
Unclosed element “div”.
Start tag “a” seen but an element of the same type was already open.
End tag “a” violates nesting rules.
Cannot recover after last error. Any further errors will be ignored.
Warnings:
The “complementary” role is unnecessary for element “aside”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
Attribute “<” is not serializable as XML 1.0.
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