Errors:
Quirky doctype. Expected “<!DOCTYPE html>”.
Start tag “head” seen but an element of the same type was already open.
Stray end tag “img”.
Element “input” is missing required attribute “alt”.
Stray end tag “a”.
End tag “li” implied, but there were open elements.
Unclosed element “a”.
Start tag “a” seen but an element of the same type was already open.
No “a” element in scope but a “a” end tag seen.
The “hspace” attribute on the “img” element is obsolete. Use CSS instead.
The “vspace” attribute on the “img” element is obsolete. Use CSS instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Element “center” not allowed as child of element “h1” in this context. (Suppressing further errors from this subtree.)
The “center” element is obsolete. Use CSS instead.
The “font” element is obsolete. Use CSS instead.
End tag had attributes.
End tag “p” implied, but there were open elements.
Unclosed element “b”.
End tag “center” seen, but there were open elements.
No “b” element in scope but a “b” end tag seen.
No “p” element in scope but a “p” end tag seen.
Stray start tag “script”.
Warnings:
The “border” attribute is obsolete.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The “language” attribute on the “script” element is obsolete.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.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
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