Wahooas.org W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “heading” for attribute “role” on element “header”.
Bad value “auto” for attribute “height” on element “img”: Expected a digit but saw “a” instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “” for attribute “id” on element “a”: An ID must not be the empty string.
Bad value “” for attribute “name” on element “a”: An ID must not be the empty string.
Duplicate ID “”.
Attribute “hreflang” not allowed on element “li” at this point.
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.
End tag “section” seen, but there were open elements.
Unclosed element “div”.
Element “p” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Warnings:
The “navigation” role is unnecessary for element “nav”.
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
The first occurrence of ID “” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Empty heading.
The “complementary” role is unnecessary for element “aside”.
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