Netzwoche.ch W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
Document uses the Unicode Private Use Area(s), which should not be used in publicly exchanged documents. (Charmod C073)
The first occurrence of ID “edit-actions” was here.
The first occurrence of ID “edit-submit” was here.
The “main” role is unnecessary for element “main”.
The “article” role is unnecessary for element “article”.
The “button” role is unnecessary for element “button”.
The “contentinfo” role is unnecessary for element “footer”.
Errors:
Duplicate ID “edit-actions”.
Duplicate ID “edit-submit”.
Element “div” 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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