Biano.cz 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 “navigation” role is unnecessary for element “nav”.
The “main” role is unnecessary for element “main”.
Errors:
Bad value “Chytrý nákup nábytku a dekorací | Biano” for attribute “href” on element “link”: Illegal character in path segment: space is not allowed.
“"” in an unquoted attribute value. Probable causes: Attributes running together or a URL query string in an unquoted attribute value.
Element “meta” is missing one or more of the following attributes: “content”, “property”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “rel” not allowed on element “span” at this point.
Element “meta” is missing required attribute “content”.
Stray end tag “meta”.
The “aria-labelledby” attribute must point to an element in the same document.
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