Errors:
Attribute “xmlns:og” not allowed here.
Attribute “xmlns:fb” not allowed here.
A slash was not immediately followed by “>”.
Bad value “” for attribute “href” on element “link”: Must be non-empty.
Start tag “head” seen but an element of the same type was already open.
Bad start tag in “img” in “head”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Stray end tag “noscript”.
Bad value “javascript” for attribute “lang” on element “script”: Subtags must not exceed 8 characters in length.
Stray end tag “head”.
Start tag “body” seen but an element of the same type was already open.
Duplicate attribute “class”.
Duplicate attribute “id”.
Attribute “level” not allowed on element “a” at this point.
The element “button” must not appear as a descendant of the “a” element.
Duplicate ID “products-featured”.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
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 document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
The first occurrence of ID “products-featured” was here.
The first occurrence of ID “fb-root” was here.
This document appears to be written in Vietnamese but the “html” start tag has “lang="en"”. Consider using “lang="vi"” (or variant) instead.
Viet Nam VN