Warnings:
Documents should not use “about:legacy-compat”, except if generated by legacy systems that can't output the standard “<!DOCTYPE html>” doctype.
The “type” attribute is unnecessary for JavaScript resources.
The first occurrence of ID “help” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Errors:
A numeric character reference expanded to carriage return.
Element “a” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “help”.
Bad value “” for attribute “action” on element “form”: Must be non-empty.
Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.
Start tag “a” seen but an element of the same type was already open.
End tag “h3” seen, but there were open elements.
Unclosed element “a”.
No “a” element in scope but a “a” end tag seen.
The “clear” attribute on the “br” element is obsolete.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.
Stray doctype.
Stray start tag “html”.
Stray start tag “head”.
Attribute “name” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “itemprop”, “property”.
Element “title” not allowed as child of element “p” in this context. (Suppressing further errors from this subtree.)
Element “title” must not be empty.
Stray end tag “head”.
Start tag “body” seen but an element of the same type was already open.
End tag for “body” seen, but there were unclosed elements.
Unclosed element “section”.
Unclosed element “main”.
Stray end tag “p”.
Bad value “64px” for attribute “height” on element “img”: Expected a digit but saw “p” instead.
Bad value “64px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
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