Viktor-rolf.com W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
Errors:
Bad value “DC.Contributor” for attribute “rel” on element “link”: The string “DC.Contributor” is not a registered keyword.
A “link” element with a “sizes” attribute must have a “rel” attribute that contains the value “icon” or the value “apple-touch-icon”.
Element “source” is missing required attribute “srcset”.
Bad value “(min-device-pixel-ratio: 2), (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi), (min-resolution: 2dppx)” for attribute “media” on element “source”: Expected a CSS media feature but saw “min-device-pixel-ratio” instead.
Bad value “” for attribute “src” on element “img”: Must be non-empty.
Bad value “” for attribute “width” on element “img”: The empty string is not a valid non-negative integer.
Bad value “” for attribute “height” on element “img”: The empty string is not a valid non-negative integer.
Element “noscript” not allowed as child of element “picture” in this context. (Suppressing further errors from this subtree.)
Bad value “” for attribute “srcset” on element “source”: Must contain one or more image candidate strings.
Element “img” is missing required attribute “src”.
End tag “header” seen, but there were open elements.
Unclosed element “div”.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Element “style” not allowed as child of element “noscript” in this context. (Suppressing further errors from this subtree.)
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