Tienphong.vn W3C HTML Markup Validation
HTML markup errors and warnings
(Rescan now...)
Errors:
Attribute “xmlns:fb” not allowed here.
Attribute “xmlns:og” not allowed here.
The text content of element “time” was not in the required format: The literal did not satisfy the time-datetime format.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “position” not allowed on element “div” at this point.
Start tag “a” seen but an element of the same type was already open.
End tag “a” violates nesting rules.
Cannot recover after last error. Any further errors will be ignored.
Warnings:
Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.
Attribute with the local name “xmlns:og” is not serializable as XML 1.0.
Text run is not in Unicode Normalization Form C.
Empty heading.
The “main” role is unnecessary for element “main”.
Viet Nam VN