Errors:
Attribute “xmlns:og” not allowed here.
Attribute “xmlns:fb” not allowed here.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Duplicate ID “navegg”.
Bad value “13px” for attribute “height” on element “img”: Expected a digit but saw “p” instead.
Bad value “21px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
Stray end tag “a”.
Start tag “a” seen but an element of the same type was already open.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “datetime” not allowed on element “span” at this point.
The “itemtype” attribute must not be specified on elements that do not have an “itemscope” attribute specified.
No “p” element in scope but a “p” end tag seen.
Duplicate ID “fb-root”.
Warnings:
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 first occurrence of ID “navegg” was here.
The “banner” role is unnecessary for element “header”.
Document uses the Unicode Private Use Area(s), which should not be used in publicly exchanged documents. (Charmod C073)
The “navigation” role is unnecessary for element “nav”.
The “main” role is unnecessary for element “main”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “contentinfo” role is unnecessary for element “footer”.
The first occurrence of ID “fb-root” was here.
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