Unoosa.org W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.
Element “div” not allowed as child of element “a” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “search”.
Bad value “list-box” for attribute “role” on element “div”.
Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.
End tag “a” violates nesting rules.
Duplicate ID “contentContainer”.
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 “script”.
The “aria-controls” attribute must point to an element in the same document.
Warnings:
The first occurrence of ID “search” was here.
The first occurrence of ID “contentContainer” was here.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
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