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 “script” must not have attribute “async” unless attribute “src” is also specified.
The “charset” attribute on the “link” element is obsolete. Use an HTTP Content-Type header on the linked resource instead.
Element “meta” is missing one or more of the following attributes: “charset”, “content”, “http-equiv”, “itemprop”, “name”, “property”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The “center” element is obsolete. Use CSS instead.
End tag “div” seen, but there were open elements.
Unclosed element “center”.
The “clear” attribute on the “br” element is obsolete. Use CSS instead.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
A “script” element with the “language="JavaScript"” attribute set must not have a “type” attribute whose value is not “text/javascript”.
Bad element name “fb:like-box”: Code point “U+003A” is not allowed
Element “script” must not have attribute “defer” unless attribute “src” is also specified.
Bad value “utf8” for attribute “charset” on element “script”: “utf8” is not a preferred encoding name. The preferred label for this encoding is “utf-8”.
Element “script” must not have attribute “charset” unless attribute “src” is also specified.
Warnings:
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “complementary” role is unnecessary for element “aside”.
Element name “fb:like-box” cannot be represented as XML 1.0.
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