Errors:
Bad value “x-dns-prefetch-control” for attribute “http-equiv” on element “meta”.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Element “style” not allowed as child of element “li” in this context. (Suppressing further errors from this subtree.)
Bad value “728px” for attribute “width” on element “iframe”: Expected a digit but saw “p” instead.
Bad value “90px” for attribute “height” on element “iframe”: Expected a digit but saw “p” instead.
The “align” attribute on the “iframe” element is obsolete. Use CSS instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
Attribute “rel” not allowed on element “strong” at this point.
Attribute “content” not allowed on element “time” at this point.
Element “img” is missing required attribute “src”.
Bad value “article” for attribute “role” on element “li”.
The “sizes” attribute may be specified only if the “srcset” attribute is also present.
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
Bad value “300px” for attribute “width” on element “iframe”: Expected a digit but saw “p” instead.
Bad value “250p” for attribute “height” on element “iframe”: Expected a digit but saw “p” instead.
Bad value “160px” for attribute “width” on element “iframe”: Expected a digit but saw “p” instead.
Bad value “600px” for attribute “height” on element “iframe”: Expected a digit but saw “p” instead.
Bad value “120px” for attribute “width” on element “iframe”: Expected a digit but saw “p” instead.
Warnings:
The “banner” role is unnecessary for element “header”.
The “article” role is unnecessary for element “article”.
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).
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
The “contentinfo” role is unnecessary for element “footer”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
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