Houzeo.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”.
Attribute “target” not allowed on element “img” at this point.
End tag “a” violates nesting rules.
Duplicate attribute “value”.
The element “a” must not appear as a descendant of the “button” element.
End tag “button” seen, but there were open elements.
Unclosed element “a”.
The element “button” must not appear as a descendant of the “a” element.
Start tag “a” seen but an element of the same type was already open.
Cannot recover after last error. Any further errors will be ignored.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
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