Eznamka.sk W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Errors:
Element “li” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Bad value “” for attribute “name” on element “button”: Must not be empty.
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
Element “div” not allowed as child of element “a” in this context. (Suppressing further errors from this subtree.)
Element “h4” not allowed as child of element “a” in this context. (Suppressing further errors from this subtree.)
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
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