Errors:
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
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.
Element “script” must not have attribute “charset” unless attribute “src” is also specified.
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
No “p” element in scope but a “p” end tag seen.
Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Attribute “margin:0” not allowed on element “div” at this point.
Attribute “auto;max-width:” not allowed on element “div” at this point.
Attribute “60rem;” not allowed on element “div” at this point.
Attribute “width:” not allowed on element “div” at this point.
Attribute “100%;padding:” not allowed on element “div” at this point.
Attribute “20px” not allowed on element “div” at this point.
Attribute “0;"” not allowed on element “div” at this point.
Element “p” not allowed as child of element “ul” 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.
End tag “div” seen, but there were open elements.
Unclosed element “article”.
Unclosed element “section”.
Unclosed element “main”.
Element “a” is missing one or more of the following attributes: “aria-checked”, “role”.
Stray end tag “article”.
Stray end tag “section”.
Stray end tag “main”.
Element “div” not allowed as child of element “button” in this context. (Suppressing further errors from this subtree.)
The “for” attribute of the “label” element must refer to a non-hidden form control.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “button” role is unnecessary for element “button”.
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).
Attribute “margin:0” is not serializable as XML 1.0.
Attribute “auto;max-width:” is not serializable as XML 1.0.
Attribute “60rem;” is not serializable as XML 1.0.
Attribute “width:” is not serializable as XML 1.0.
Attribute “100%;padding:” is not serializable as XML 1.0.
Attribute “20px” is not serializable as XML 1.0.
Attribute “0;"” is not serializable as XML 1.0.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “contentinfo” role is unnecessary for element “footer”.
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