Kfcvietnam.com.vn W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “vn” for attribute “lang” on element “html”: The language subtag “vn” is not a valid ISO language part of a language tag.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “” for attribute “id” on element “li”: An ID must not be the empty string.
Duplicate ID “”.
Bad value “popup-thuc-don” for attribute “rel” on element “a”: The string “popup-thuc-don” is not a registered keyword.
No space between attributes.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The first occurrence of ID “” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
This document appears to be written in Vietnamese but the “html” start tag has “lang="vn"”. Consider using “lang="vi"” (or variant) instead.
Viet Nam VN
