Knixteen.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Element “meta” is missing one or more of the following attributes: “charset”, “content”, “http-equiv”, “itemprop”, “name”, “property”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
End tag “a” violates nesting rules.
End tag “li” seen, but there were open elements.
Unclosed element “div”.
Stray end tag “div”.
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
The “main” role is unnecessary for element “main”.
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