Lbbonline.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.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Errors:
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Element “option” without attribute “label” must not be empty.
Attribute “ahref” not allowed on element “a” at this point.
Attribute “value” not allowed on element “select” at this point.
Bad value “” for attribute “for” on element “label”: An ID must not be the empty string.
Bad value “” for attribute “action” on element “form”: Must be non-empty.
Bad value “true” for attribute “async” on element “script”.
The “for” attribute of the “label” element must refer to a non-hidden form control.
The “aria-labelledby” attribute must point to an element in the same document.
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