Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Stray doctype.
Stray start tag “html”.
Bad value “Content-Script-Type” for attribute “http-equiv” on element “meta”.
Bad value “Content-Style-Type” for attribute “http-equiv” on element “meta”.
Element “script” must not have attribute “async” unless attribute “src” is also specified.
Bad value “19px” for attribute “height” on element “img”: Expected a digit but saw “p” instead.
Element “script” must not have attribute “charset” unless attribute “src” is also specified.
Bad value “http://www.w3.org/1999/html” for the attribute “xmlns” (only “http://www.w3.org/1999/xhtml” permitted here).
Bad value “96%” for attribute “width” on element “img”: Expected a digit but saw “%” instead.
Element “ul” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Duplicate ID “Menu”.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Duplicate attribute “style”.
No “p” element in scope but a “p” end tag seen.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Warnings:
The “language” attribute on the “script” element is obsolete. You can safely omit it.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Attribute “xmlns” is not serializable as XML 1.0.
Empty heading.
The first occurrence of ID “Menu” was here.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
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