Sbb.ch W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
A “link” element with a “sizes” attribute must have a “rel” attribute that contains the value “icon” or the value “apple-touch-icon”.
Bad value “navigation” for attribute “role” on element “ul”.
Attribute “autocorrect” not allowed on element “input” at this point.
Element “input” is missing required attribute “aria-expanded”.
Element “div” not allowed as child of element “button” in this context. (Suppressing further errors from this subtree.)
Bad value “--mobile” for attribute “media” on element “source”: Expected “(” or letter at start of a media query part but saw “-” instead.
Element “source” is missing required attribute “srcset”.
Bad value “--tablet” for attribute “media” on element “source”: Expected “(” or letter at start of a media query part but saw “-” instead.
Bad value “--desktop” for attribute “media” on element “source”: Expected “(” or letter at start of a media query part but saw “-” instead.
Element “img” is missing required attribute “src”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The “aria-owns” attribute must point to an element in the same document.
The “aria-controls” attribute must point to an element in the same document.
Warnings:
The “main” role is unnecessary for element “main”.
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