Errors:
Obsolete doctype. Expected “<!DOCTYPE html>”.
When the attribute “xml:lang” in no namespace is specified, the element must also have the attribute “lang” present with the same value.
Attribute “disabled” not allowed on element “link” at this point.
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
A document must not include more than one “meta” element with its “name” attribute set to the value “description”.
Attribute “external-type” not allowed on element “script” at this point.
Start tag “a” seen but an element of the same type was already open.
Element “hr” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
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The “frameborder” attribute on the “iframe” element is obsolete.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.
Bad value “” for attribute “id” on element “div”: An ID must not be the empty string.
Duplicate ID “QueryList”.
Element “input” is missing required attribute “alt”.
Attribute “alt” not allowed on element “a” at this point.
The “for” attribute of the “label” element must refer to a non-hidden form control.
Warnings:
The first occurrence of ID “QueryList” 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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