Errors:
Attribute “rel” not allowed on element “meta” at this point.
Attribute “href” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “charset”, “content”, “http-equiv”, “itemprop”, “name”, “property”.
Bad value “https://www.w3.org/2000/svg” for the attribute “xmlns” (only “http://www.w3.org/2000/svg” permitted here).
Duplicate ID “Shape”.
Stray end tag “head”.
Start tag “body” seen but an element of the same type was already open.
Bad value “200px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “h1” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Element “h3” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Bad value “100%” for attribute “width” on element “video”: Expected a digit but saw “%” instead.
Element “h2” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Warnings:
Attribute “xmlns” is not serializable as XML 1.0.
The first occurrence of ID “Shape” 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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