Acistampa.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Attribute “async” not allowed on element “link” at this point.
Bad start tag in “iframe” in “head”.
Stray end tag “noscript”.
Stray end tag “head”.
Start tag “body” seen but an element of the same type was already open.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “img” is missing required attribute “src”.
Bad value “(nax-width: 400px)” for attribute “media” on element “source”: Expected a CSS media feature but saw “nax-width” instead.
The “align” attribute on the “div” element is obsolete. Use CSS instead.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Attribute “displayed” not allowed on element “div” at this point.
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.
Warnings:
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
This document appears to be written in Italian. Consider adding “lang="it"” (or variant) to the “html” start tag.
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