Migros.ch W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
Attribute “rel” not allowed on element “link” at this point.
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 “--s” 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”.
Duplicate ID “layout-01-ac073931”.
Bad value “--m” for attribute “media” on element “source”: Expected “(” or letter at start of a media query part but saw “-” instead.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
The first occurrence of ID “layout-01-ac073931” was here.
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