Dmec.vn W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Obsolete doctype. Expected “<!DOCTYPE html>”.
Attribute “alt” not allowed on element “li” at this point.
Element “input” with attribute “type” whose value is “button” must have non-empty attribute “value”.
Attribute “fb:like:layout” not allowed on element “a” at this point.
End tag “br”.
Bad value “http://dmec.vn/data/images/slideshow/cao oc.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Duplicate ID “img_tin”.
Duplicate ID “noidung”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Warnings:
Attribute “fb:like:layout” is not serializable as XML 1.0.
The first occurrence of ID “img_tin” was here.
The first occurrence of ID “noidung” was here.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
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