Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
The “profile” attribute on the “head” element is obsolete. To declare which “meta” terms are used in the document, instead register the names as meta extensions. To trigger specific UA behaviors, use a “link” element instead.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Stray end tag “a”.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
The “center” element is obsolete. Use CSS instead.
Duplicate ID “search”.
Duplicate ID “searchform”.
Duplicate ID “s”.
Duplicate ID “searchsubmit”.
Attribute “value” not allowed on element “input” at this point.
Element “p” not allowed as child of element “dl” in this context. (Suppressing further errors from this subtree.)
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
No “p” element in scope but a “p” end tag seen.
End tag “br”.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.
Element “g:plusone” not allowed as child of element “li” in this context. (Suppressing further errors from this subtree.)
Warnings:
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
The first occurrence of ID “search” was here.
The first occurrence of ID “searchform” was here.
The first occurrence of ID “s” was here.
The first occurrence of ID “searchsubmit” was here.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Empty heading.
Element name “g:plusone” cannot be represented as XML 1.0.
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