Errors:
Attribute “xmlns:og” not allowed here.
A “charset” attribute on a “meta” element found after the first 1024 bytes.
Attribute “rel” not allowed on element “li” at this point.
Attribute “layer” not allowed on element “figure” at this point.
Bad value “mobile” for attribute “media” on element “source”: Expected a CSS media type but the query ended.
Element “source” is missing required attribute “srcset”.
Bad value “tablet” for attribute “media” on element “source”: Expected a CSS media type but the query ended.
Bad value “notebook” for attribute “media” on element “source”: Media query ended prematurely.
Element “img” is missing required attribute “src”.
Element “p” not allowed as child of element “label” in this context. (Suppressing further errors from this subtree.)
Bad value “none” for attribute “media” on element “link”: Media query ended prematurely.
Element “script” must not have attribute “defer” unless attribute “src” is also specified.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
Attribute with the local name “xmlns:og” is not serializable as XML 1.0.
Consider avoiding viewport values that prevent users from resizing documents.
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.
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