Warnings:
The “banner” role is unnecessary for element “header”.
The first occurrence of ID “fb-root” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “form” role is unnecessary for element “form”.
The first occurrence of ID “card-showcase-2cb30273-92b3-52e5-8c15-f527cc8ffd42” was here.
The first occurrence of ID “card-showcase-d12a756a-b473-519e-9b59-19cbefff2f60” was here.
The first occurrence of ID “card-showcase-418a2b90-c4c9-5ef6-8ab3-27e63eb2061b” was here.
Attribute “"” is not serializable as XML 1.0.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Errors:
Duplicate ID “fb-root”.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “card-showcase-2cb30273-92b3-52e5-8c15-f527cc8ffd42”.
Duplicate ID “card-showcase-d12a756a-b473-519e-9b59-19cbefff2f60”.
Duplicate ID “card-showcase-418a2b90-c4c9-5ef6-8ab3-27e63eb2061b”.
Bad value “button” for attribute “type” on element “a”: Subtype missing.
No space between attributes.
Saw “"” when expecting an attribute name. Probable cause: “=” missing immediately before.
Attribute “"” not allowed on element “a” at this point.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The “aria-labelledby” attribute must point to an element in the same document.
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