Errors:
Bad value “https://www.w3.org/1999/xhtml” for the attribute “xmlns” (only “http://www.w3.org/1999/xhtml” permitted here).
Attribute “xmlns:og” not allowed here.
Attribute “xmlns:fb” not allowed here.
CSS: unrecognized media “screen\000000”.
No space between attributes.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
End tag “li” seen, but there were open elements.
Unclosed element “div”.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Bad value “true” for attribute “allowfullscreen” on element “iframe”.
Attribute “hide_cta” not allowed on element “div” at this point.
Warnings:
Attribute “xmlns” is not serializable as XML 1.0.
Attribute with the local name “xmlns:og” is not serializable as XML 1.0.
Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.
The “type” attribute for the “style” element is not needed and should be omitted.
The “type” attribute is unnecessary for JavaScript resources.
Consider avoiding viewport values that prevent users from resizing documents.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
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