Acpinternist.org W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
Documents should not use “about:legacy-compat”, except if generated by legacy systems that can't output the standard “<!DOCTYPE html>” doctype.
The “main” role is unnecessary for element “main”.
The first occurrence of ID “sub-pub-list” was here.
This document appears to be written in English but the “html” start tag has an empty “lang” attribute. Consider using “lang="en"” (or variant) instead.
Errors:
A document must not include more than one “meta” element with a “http-equiv” attribute whose value is “content-type”.
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 start tag in “img” in “head”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Stray end tag “noscript”.
Stray end tag “head”.
Start tag “body” seen but an element of the same type was already open.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Stray doctype.
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “sub-pub-list”.
Element “script” must not have attribute “charset” unless attribute “src” is also specified.
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