Nts.live W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad start tag in “img” in “head”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Stray end tag “noscript”.
Stray end tag “head”.
Start tag “body” seen but an element of the same type was already open.
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Element “a” not allowed as child of element “menu” in this context. (Suppressing further errors from this subtree.)
Element “div” not allowed as child of element “menu” in this context. (Suppressing further errors from this subtree.)
Attribute “type” not allowed on element “audio” at this point.
Bad value “” for attribute “src” on element “audio”: Must be non-empty.
Element “div” not allowed as child of element “button” in this context. (Suppressing further errors from this subtree.)
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
Bad value “” for attribute “src” on element “img”: Must be non-empty.
Element “script” must not have attribute “defer” unless attribute “src” is also specified.
Warnings:
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
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