Errors:
Attribute “xmlns:fb” not allowed here.
A “link” element with a “sizes” attribute must have a “rel” attribute that contains the value “icon” or the value “apple-touch-icon”.
Element “div” not allowed as child of element “label” in this context. (Suppressing further errors from this subtree.)
Bad element name “fb:login-button”: Code point “U+003A” is not allowed
Attribute “payload-event-category” not allowed on element “div” at this point.
Attribute “payload-event-action” not allowed on element “div” at this point.
Attribute “payload-event-label” not allowed on element “div” at this point.
Duplicate ID “FormSubmitUrl”.
Duplicate ID “FormType”.
Duplicate ID “PostAction”.
Duplicate ID “FormGetUrl”.
The element “header” must not appear as a descendant of the “header” element.
Bad value “button” for attribute “type” on element “a”: Subtype missing.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “payload-event-category” not allowed on element “a” at this point.
Attribute “payload-event-action” not allowed on element “a” at this point.
Attribute “payload-event-label” not allowed on element “a” at this point.
Element “img” is missing required attribute “src”.
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.
The “banner” role is unnecessary for element “header”.
Element name “fb:login-button” cannot be represented as XML 1.0.
The first occurrence of ID “FormSubmitUrl” was here.
The first occurrence of ID “FormType” was here.
The first occurrence of ID “PostAction” was here.
The first occurrence of ID “FormGetUrl” was here.
The “navigation” role is unnecessary for element “nav”.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “contentinfo” role is unnecessary for element “footer”.
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