Warnings:
Document uses the Unicode Private Use Area(s), which should not be used in publicly exchanged documents. (Charmod C073)
The value of attribute “title” on element “a” from namespace “http://www.w3.org/1999/xhtml” is not in Unicode Normalization Form C.
Text run is not in Unicode Normalization Form C.
The value of attribute “alt” on element “img” from namespace “http://www.w3.org/1999/xhtml” is not in Unicode Normalization Form C.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
Empty heading.
The first occurrence of ID “d4p-smashing-tabber-2” was here.
The first occurrence of ID “wpv_column_sort_id” was here.
The first occurrence of ID “wpv_column_sort_dir” was here.
The first occurrence of ID “8-24014” was here.
The first occurrence of ID “member-widget” was here.
This document appears to be written in Vietnamese but the “html” start tag has “lang="en-US"”. Consider using “lang="vi"” (or variant) instead.
Errors:
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
End tag “br”.
Duplicate ID “d4p-smashing-tabber-2”.
Duplicate ID “wpv_column_sort_id”.
Duplicate ID “wpv_column_sort_dir”.
Duplicate ID “8-24014”.
Duplicate ID “member-widget”.
End tag “aside” seen, but there were open elements.
Unclosed element “div”.
Heading cannot be a child of another heading.
End tag “h4” seen, but there were open elements.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Viet Nam VN