Colfuturo.org W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
The “banner” role is unnecessary for element “header”.
Element name “gcse:search” cannot be represented as XML 1.0.
The “navigation” role is unnecessary for element “nav”.
The “article” role is unnecessary for element “article”.
The “contentinfo” role is unnecessary for element “footer”.
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:
Element “gcse:search” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Attribute “pubdate” not allowed on element “time” at this point.
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Attribute “href” not allowed on element “div” at this point.
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