Zappar.com 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.
Bad value “” for attribute “href” on element “link”: Must be non-empty.
Attribute “drawer” not allowed on element “div” at this point.
Bad value “1” for attribute “version” on element “svg”.
Attribute “drawer” not allowed on element “button” at this point.
Element “a” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Attribute “webkit-playsinline” not allowed on element “video” at this point.
Attribute “autobuffer” not allowed on element “video” at this point.
The element “button” must not appear as a descendant of the “a” element.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
End tag “div” seen, but there were open elements.
Unclosed element “h3”.
Warnings:
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
This document appears to be written in English but the “html” start tag has an empty “lang” attribute. Consider using “lang="en"” (or variant) instead.
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