Okura.nl W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Attribute “ng-app” not allowed on element “html” at this point.
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
Bad value “jp” for attribute “hreflang” on element “a”: The language subtag “jp” is not a valid ISO language part of a language tag.
Element “img” is missing required attribute “src”.
A “source” element that has a following sibling “source” element or “img” element with a “srcset” attribute must have a “media” attribute and/or “type” attribute.
Stray end tag “input”.
Bad value “True” for attribute “readonly” on element “input”.
The “for” attribute of the “label” element must refer to a non-hidden form control.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “contentinfo” role is unnecessary for element “footer”.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
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