Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Bad value “https://www.w3.org/1999/xhtml” for the attribute “xmlns” (only “http://www.w3.org/1999/xhtml” permitted here).
When the attribute “xml:lang” in no namespace is specified, the element must also have the attribute “lang” present with the same value.
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Bad value “Bookmark” for attribute “rel” on element “link”: The string “Bookmark” is not a registered keyword.
Bogus comment.
Attribute “eachdelay” not allowed on element “dl” at this point.
Attribute “delaytime” not allowed on element “dl” at this point.
Attribute “effect” not allowed on element “dl” at this point.
Attribute “animate” not allowed on element “dl” at this point.
Element “dl” is missing a required instance of child element “dd”.
Attribute “webkit-playsinline” not allowed on element “video” at this point.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The “font” element is obsolete. Use CSS instead.
Bad value “true” for attribute “preload” on element “video”.
Attribute “animate” not allowed on element “ul” at this point.
Attribute “effect” not allowed on element “ul” at this point.
Attribute “firstactive” not allowed on element “div” at this point.
Attribute “firstactive” not allowed on element “dl” at this point.
Element “dl” is missing a required child element.
Attribute “goto” not allowed on element “a” at this point.
Warnings:
Attribute “xmlns” is not serializable as XML 1.0.
Document uses the Unicode Private Use Area(s), which should not be used in publicly exchanged documents. (Charmod C073)
Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
The “language” attribute on the “script” element is obsolete.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.
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