Automobile.it W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Attribute “xmlns:esi” not allowed here.
Bad value “true” for attribute “async” on element “script”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Stray start tag “html”.
The element “header” must not appear as a descendant of the “header” element.
End tag for “html” seen, but there were unclosed elements.
Unclosed element “main”.
Stray start tag “section”.
Cannot recover after last error. Any further errors will be ignored.
Warnings:
Attribute with the local name “xmlns:esi” is not serializable as XML 1.0.
Consider avoiding viewport values that prevent users from resizing documents.
The “main” role is unnecessary for element “main”.
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
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