Khuyenmaihcmc.vn W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Attribute “property” not allowed on element “meta” at this point.
Attribute “name” not allowed on element “meta” at this point.
Attribute “apply” not allowed on element “div” at this point.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “for” not allowed on element “div” at this point.
Attribute “rows” not allowed on element “div” at this point.
Stray end tag “img”.
Attribute “show” not allowed on element “div” at this point.
Attribute “type” not allowed on element “div” at this point.
Attribute “info” not allowed on element “div” at this point.
Attribute “a” not allowed on element “input” at this point.
Stray end tag “input”.
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
Text run is not in Unicode Normalization Form C.
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