Sieuthihaiminh.vn W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Attribute “xmlns:fb” not allowed here.
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Bad value “https://sieuthihaiminh.vn/upload/images/logo/600x315/2/Logo-hai-minh.jpg” for attribute “rel” on element “link”: The string “https://sieuthihaiminh.vn/upload/images/logo/600x315/2/Logo-hai-minh.jpg” is not a registered keyword.
Duplicate ID “special-grid”.
Duplicate ID “box-vertical-megamenus”.
The “width” attribute on the “table” element is obsolete. Use CSS instead.
The “cellspacing” attribute on the “table” element is obsolete.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The “cellpadding” attribute on the “table” element is obsolete.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The “border” attribute on the “table” element is obsolete.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.
Warnings:
Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.
The first occurrence of ID “special-grid” was here.
Text run is not in Unicode Normalization Form C.
The first occurrence of ID “box-vertical-megamenus” was here.
The value of attribute “title” on element “a” from namespace “http://www.w3.org/1999/xhtml” is not in Unicode Normalization Form C.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
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