Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
Attribute “send',” is not serializable as XML 1.0.
Attribute “'event',{” is not serializable as XML 1.0.
Attribute “eventcategory:” is not serializable as XML 1.0.
Attribute “'newsletter',” is not serializable as XML 1.0.
Attribute “eventaction:” is not serializable as XML 1.0.
Attribute “'subscribe',” is not serializable as XML 1.0.
Attribute “eventlabel:” is not serializable as XML 1.0.
Attribute “'subscribe'}” is not serializable as XML 1.0.
Attribute “);'” is not serializable as XML 1.0.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
The first occurrence of ID “Layer_2” was here.
The first occurrence of ID “Layer_1-2” was here.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
The document is not mappable to XML 1.0 due to a trailing hyphen in a comment.
Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
No space between attributes.
Quote “'” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Bad value “ga(” for attribute “onclick” on element “button”: syntax error
Attribute “send',” not allowed on element “button” at this point.
Attribute “'event',{” not allowed on element “button” at this point.
Attribute “eventcategory:” not allowed on element “button” at this point.
Attribute “'newsletter',” not allowed on element “button” at this point.
Attribute “eventaction:” not allowed on element “button” at this point.
Attribute “'subscribe',” not allowed on element “button” at this point.
Attribute “eventlabel:” not allowed on element “button” at this point.
Attribute “'subscribe'}” not allowed on element “button” at this point.
Attribute “);'” not allowed on element “button” at this point.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Duplicate attribute “selected”.
Element “style” not allowed as child of element “section” in this context. (Suppressing further errors from this subtree.)
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Duplicate ID “Layer_2”.
Duplicate ID “Layer_1-2”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
End tag “br”.
Saw “<!--” within a comment. Probable cause: Nested comment (not allowed).
Saw “'” when expecting an attribute name. Probable cause: “=” missing immediately before.
Stray doctype.
End tag “footer” seen, but there were open elements.
Unclosed element “div”.
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Element “h3” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Element “p” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
The element “button” must not appear as a descendant of the “a” element.
Bogus comment.
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