Baoquocte.vn W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
Bad value “audience” for attribute “http-equiv” on element “meta”.
The “charset” attribute on the “link” element is obsolete. Use an HTTP Content-Type header on the linked resource instead.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Element “ul” not allowed as child of element “h2” in this context. (Suppressing further errors from this subtree.)
Element “input” with attribute “type” whose value is “button” must have non-empty attribute “value”.
Element “quote” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Warnings:
The “border” attribute is obsolete.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