Errors:
Element “input” is missing required attribute “alt”.
Element “style” not allowed as child of element “header” in this context. (Suppressing further errors from this subtree.)
Duplicate attribute “title”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Attribute “người” not allowed on element “a” at this point.
Attribute “sài” not allowed on element “a” at this point.
Attribute “gòn” not allowed on element “a” at this point.
Attribute “bất” not allowed on element “a” at this point.
Attribute “đắc” not allowed on element “a” at this point.
Attribute “dĩ""” not allowed on element “a” at this point.
No space between attributes.
Attribute “36” not allowed on element “a” at this point.
Attribute “kế” not allowed on element “a” at this point.
Attribute “trong” not allowed on element “a” at this point.
Attribute “kinh” not allowed on element “a” at this point.
Attribute “doanh” not allowed on element “a” at this point.
Attribute “hiện” not allowed on element “a” at this point.
Attribute “đại""” not allowed on element “a” at this point.
Attribute “không” not allowed on element “a” at this point.
Attribute “đến” not allowed on element “a” at this point.
Attribute “một"” not allowed on element “a” at this point.
Attribute “và” not allowed on element “a” at this point.
Attribute “trò” not allowed on element “a” at this point.
Attribute “chuyện” not allowed on element “a” at this point.
Attribute “về” not allowed on element “a” at this point.
Attribute “khởi” not allowed on element “a” at this point.
Attribute “nghiệp"” not allowed on element “a” at this point.
Bad value “mailto: hopthubandoc@nxbtre.com.vn” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.
Bad value “mailto: chinhanhhanoi@nxbtre.com.vn ” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.
Bad value “mailto: info@ybook.vn <br/>Website: www.ybook.vn” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.
No “p” element in scope but a “p” end tag seen.
Warnings:
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Text run is not in Unicode Normalization Form C.
Attribute “dĩ""” is not serializable as XML 1.0.
Attribute “36” is not serializable as XML 1.0.
Attribute “đại""” is not serializable as XML 1.0.
Attribute “một"” is not serializable as XML 1.0.
Attribute “nghiệp"” is not serializable as XML 1.0.
This document appears to be written in Vietnamese. Consider adding “lang="vi"” (or variant) to the “html” start tag.
Viet Nam VN