Idylcar.fr W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “main” role is unnecessary for element “main”.
The first occurrence of ID “UMS_TOOLTIP” was here.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
Text run is not in Unicode Normalization Form C.
The “contentinfo” role is unnecessary for element “footer”.
Errors:
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate ID “UMS_TOOLTIP”.
The “aria-controls” attribute must point to an element in the same document.
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