Uel.edu.vn W3C HTML Markup Validation
HTML markup errors and warnings
(Rescan now...)
Errors:
The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.
The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.
The “border” attribute on the “table” element is obsolete. Use CSS instead.
Element “input” with attribute “type” whose value is “button” must have non-empty attribute “value”.
The “valign” attribute on the “tr” element is obsolete. Use CSS instead.
Element “img” is missing required attribute “src”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Saw “<!--” within a comment. Probable cause: Nested comment (not allowed).
Bad value “/Resources/ImagesPortal/HomePage/doi tac.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
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The “language” attribute on the “script” element is obsolete. You can safely omit it.
Viet Nam VN