Glgresearch.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Missing space before doctype name.
Quirky doctype. Expected “<!DOCTYPE html>”.
Stray end tag “a”.
Element “style” not allowed as child of element “main” in this context. (Suppressing further errors from this subtree.)
Bad value “” for attribute “id” on element “div”: An ID must not be the empty string.
No “p” element in scope but a “p” end tag seen.
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 “div”.
The value of the “for” attribute of the “label” element must be the ID of a non-hidden form control.
Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The “type” attribute for the “style” element is not needed and should be omitted.
The “main” role is unnecessary for element “main”.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
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