Masoffer.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “style” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Bad value “https://fonts.googleapis.com/css?family=Open Sans:300,600” for attribute “href” on element “link”: Illegal character in query: space is not allowed.
Attribute “mce-data-marked” not allowed on element “span” at this point.
No “p” element in scope but a “p” end tag seen.
Element “p” not allowed as child of element “h2” in this context. (Suppressing further errors from this subtree.)
Heading cannot be a child of another heading.
Stray end tag “h2”.
Bad value “https://www.facebook.com/tr?id=1207633286020029&ev=PageView
&noscript=1” for attribute “src” on element “img”: Tab, new line or carriage return found.
The “aria-labelledby” attribute must point to an element in the same document.
Warnings:
Empty heading.
This document appears to be written in Vietnamese but the “html” start tag has “lang="en-US"”. Consider using “lang="vi"” (or variant) instead.
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