Errors:
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
Bad start tag in “div” in “head”.
Stray end tag “noscript”.
Attribute “name” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “itemprop”, “property”.
Bad value “true” for attribute “async” on element “script”.
Stray end tag “head”.
Start tag “body” seen but an element of the same type was already open.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “mda-banner”.
Element “option” without attribute “label” must not be empty.
Duplicate ID “mda-arrival”.
Duplicate ID “mda-national-go”.
Bad character “ ” after “<”. Probable cause: Unescaped “<”. Try escaping it as “<”.
Element “img” is missing required attribute “src”.
Warnings:
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
Text run is not in Unicode Normalization Form C.
The first occurrence of ID “mda-banner” was here.
The first occurrence of ID “mda-arrival” was here.
The first occurrence of ID “mda-national-go” was here.
This document appears to be written in Vietnamese. Consider adding “lang="vi"” (or variant) to the “html” start tag.
Viet Nam VN