Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Attribute “xmlns:fb” not allowed here.
Attribute “xmlns:og” not allowed here.
Bad value “handheld” for attribute “media” on element “link”: Deprecated media type “handheld”. For guidance, see the Media Types section in the current Media Queries specification.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “1433” for attribute “rel” on element “a”: The string “1433” is not a registered keyword.
Attribute “tag” not allowed on element “a” at this point.
Bad value “281” for attribute “rel” on element “a”: The string “281” is not a registered keyword.
Bad value “82” for attribute “rel” on element “a”: The string “82” is not a registered keyword.
Bad value “465px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
Bad value “292px” for attribute “height” on element “img”: Expected a digit but saw “p” instead.
Bad value “1441” for attribute “rel” on element “a”: The string “1441” is not a registered keyword.
The “align” attribute on the “div” element is obsolete. Use CSS instead.
Attribute “rel” not allowed on element “div” at this point.
Attribute “tag” not allowed on element “div” at this point.
Bad value “283” for attribute “rel” on element “a”: The string “283” is not a registered keyword.
Bad value “1426” for attribute “rel” on element “a”: The string “1426” is not a registered keyword.
Bad value “341” for attribute “rel” on element “a”: The string “341” is not a registered keyword.
Bad value “69” for attribute “rel” on element “a”: The string “69” is not a registered keyword.
Attribute “rel” not allowed on element “span” at this point.
Attribute “tag” not allowed on element “span” at this point.
Element “div” not allowed as child of element “h3” in this context. (Suppressing further errors from this subtree.)
No “p” element in scope but a “p” end tag seen.
End tag “article” seen, but there were open elements.
Unclosed element “div”.
Element “ul” not allowed as child of element “h3” in this context. (Suppressing further errors from this subtree.)
Bad value “” for attribute “id” on element “h3”: An ID must not be the empty string.
Bad value “” for attribute “width” on element “img”: The empty string is not a valid non-negative integer.
Bad value “https://images.khoeplus24h.vn/zoom/187_105/Uploaded/tuyetmai/2017_10_27/tuc nguc/9_ESLZ.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Bad value “http://images.kienthuc.net.vn/zoom/128_80/Uploaded/nguyenanhtuan/2017_12_02/truc/thu minh/1_QGVZ.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
No space between attributes.
The “aria-labelledby” attribute must point to an element in the same document.
Warnings:
Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.
Attribute with the local name “xmlns:og” is not serializable as XML 1.0.
Empty heading.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
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.
This document appears to be written in Vietnamese. Consider adding “lang="vi"” (or variant) to the “html” start tag.
Viet Nam VN