Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Duplicate ID “resources”.
Stray end tag “a”.
No “p” element in scope but a “p” end tag seen.
Bad value “shadowbox” for attribute “rel” on element “a”: The string “shadowbox” is not a registered keyword.
The “align” attribute on the “img” element is obsolete. Use CSS instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad element name “gcse:searchbox-only”: Code point “U+003A” is not allowed
No “li” element in scope but a “li” end tag seen.
Duplicate ID “search”.
Duplicate ID “site-wrapper”.
Element “input” with attribute “type” whose value is “button” must have non-empty attribute “value”.
Duplicate ID “button-type3”.
Duplicate ID “arag”.
Element “area” is missing required attribute “alt”.
Warnings:
The “banner” role is unnecessary for element “header”.
The first occurrence of ID “resources” was here.
Element name “gcse:searchbox-only” cannot be represented as XML 1.0.
The “navigation” role is unnecessary for element “nav”.
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 “site-wrapper” was here.
The first occurrence of ID “button-type3” was here.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The first occurrence of ID “arag” was here.
The “contentinfo” role is unnecessary for element “footer”.
Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).
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