Errors:
Attribute “xmlns:fb” not allowed here.
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
No space between attributes.
Attribute “alt” not allowed on element “picture” at this point.
Element “meta” not allowed as child of element “picture” in this context. (Suppressing further errors from this subtree.)
Attribute “src” not allowed on element “source” at this point.
Element “source” is missing required attribute “srcset”.
Element “noscript” not allowed as child of element “picture” in this context. (Suppressing further errors from this subtree.)
Element “picture” is missing a required instance of child element “img”.
Bad value “true” for attribute “autoplay” on element “video”.
Bad value “true” for attribute “loop” on element “video”.
Bad value “100%” for attribute “width” on element “video”: Expected a digit but saw “%” instead.
Bad value “true” for attribute “muted” on element “video”.
Attribute “enablejsapi” not allowed on element “video” at this point.
Element “source” not allowed as child of element “video” in this context. (Suppressing further errors from this subtree.)
Element “a” not allowed as child of element “picture” in this context. (Suppressing further errors from this subtree.)
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
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