Digitalhumanities.org W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
The “navigation” role is unnecessary for element “nav”.
The “banner” role is unnecessary for element “header”.
The “article” role is unnecessary for element “article”.
Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).
Errors:
Attribute “about” not allowed on element “article” at this point.
Attribute “content” not allowed on element “span” at this point.
Element “p” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
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