Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
The “navigation” role is unnecessary for element “nav”.
The first occurrence of ID “Img1” was here.
The first occurrence of ID “Img2” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
Errors:
Named character reference was not terminated by a semicolon. (Or “&” should have been escaped as “&”.)
Bad value “364px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
Bad value “157px” for attribute “height” on element “img”: Expected a digit but saw “p” instead.
Bad value “226px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
Bad value “165px” for attribute “height” on element “img”: Expected a digit but saw “p” instead.
Attribute “volume” not allowed on element “video” at this point.
The “align” attribute on the “h3” element is obsolete. Use CSS instead.
Bad value “true” for attribute “async” on element “script”.
Duplicate ID “Img1”.
Duplicate ID “Img2”.
End tag “h4” seen, but there were open elements.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “” for attribute “src” on element “img”: Must be non-empty.
Element “noindex” not allowed as child of element “form” in this context. (Suppressing further errors from this subtree.)
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