Flexform.it W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.
Element “div” not allowed as child of element “ul” 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.
Attribute “about” not allowed on element “article” at this point.
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
Duplicate ID “lang_dropdown_form_language_content”.
Duplicate ID “lang-dropdown-select-language_content”.
The “itemprop” attribute was specified, but the element is not a property of any item.
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.
The first occurrence of ID “lang_dropdown_form_language_content” was here.
The first occurrence of ID “lang-dropdown-select-language_content” was here.
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