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”.
Bad value “” for attribute “href” on element “link”: Must be non-empty.
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 “36px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
Bad value “36px” for attribute “height” on element “img”: Expected a digit but saw “p” instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
End tag “header” seen, but there were open elements.
Unclosed element “div”.
Attribute “clas” not allowed on element “div” at this point.
Attribute “pubdate” not allowed on element “time” at this point.
The text content of element “time” was not in the required format: The literal did not satisfy the time-datetime format.
Attribute “type” not allowed on element “strong” at this point.
End tag “p” seen, but there were open elements.
Unclosed element “span”.
End tag “div” seen, but there were open elements.
Unclosed element “address”.
Stray end tag “address”.
Stray end tag “div”.
“=” at the start of an unquoted attribute value. Probable cause: Stray duplicate equals sign.
“"” in an unquoted attribute value. Probable causes: Attributes running together or a URL query string in an unquoted attribute value.
Warnings:
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
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