Errors:
A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.
A document must not include more than one “meta” element with its “name” attribute set to the value “description”.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Bad value “200px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
Element “img” is missing required attribute “src”.
Duplicate ID “sideNavMenu”.
A “source” element that has a following sibling “source” element or “img” element with a “srcset” attribute must have a “media” attribute and/or “type” attribute.
Element “span” not allowed as child of element “time” in this context. (Suppressing further errors from this subtree.)
The text content of element “time” was not in the required format: The literal did not satisfy the time-datetime format.
Stray end tag “arbde”.
End tag “div” seen, but there were open elements.
Unclosed element “aside”.
Bad value “conteninfo” for attribute “role” on element “footer”.
Stray start tag “script”.
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
The “complementary” role is unnecessary for element “aside”.
The “banner” role is unnecessary for element “header”.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
The first occurrence of ID “sideNavMenu” was here.
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).
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
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