Errors:
Bad value “Cache-control” for attribute “http-equiv” on element “meta”.
Bad value “Expires” for attribute “http-equiv” on element “meta”.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Bad value “250px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
Attribute “position” not allowed on element “div” at this point.
Attribute “alias” not allowed on element “li” at this point.
The “font” element is obsolete. Use CSS instead.
Stray end tag “font”.
The text content of element “time” was not in the required format: The literal did not satisfy the time-datetime format.
Stray end tag “i”.
Element “p” not allowed as child of element “hgroup” in this context. (Suppressing further errors from this subtree.)
End tag “article” seen, but there were open elements.
Unclosed element “header”.
Element “p” not allowed as child of element “h3” in this context. (Suppressing further errors from this subtree.)
Element “style” not allowed as child of element “section” in this context. (Suppressing further errors from this subtree.)
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “type” attribute is unnecessary for JavaScript resources.
Text run is not in Unicode Normalization Form C.
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.
This document appears to be written in Vietnamese. Consider adding “lang="vi"” (or variant) to the “html” start tag.
Viet Nam VN