Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Element “figure” not allowed as child of element “a” in this context. (Suppressing further errors from this subtree.)
Attribute “alt” not allowed on element “button” at this point.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “img” is missing required attribute “src”.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
The “aria-labelledby” attribute must point to an element in the same document.
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
The “main” role is unnecessary for element “main”.
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).
The “button” role is unnecessary for element “button”.
The “complementary” role is unnecessary for element “aside”.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
The “contentinfo” role is unnecessary for element “footer”.
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