Iss.edu W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Bad value “pragma” for attribute “http-equiv” on element “meta”.
Bad value “content-style-type” for attribute “http-equiv” on element “meta”.
Bad value “content-script-type” for attribute “http-equiv” on element “meta”.
Element “div” 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.
Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.
Heading cannot be a child of another heading.
Stray end tag “h2”.
Bad value “_new” for attribute “target” on element “a”: Reserved keyword “new” used.
End tag “section” seen, but there were open elements.
Unclosed element “div”.
Duplicate ID “menuElem”.
Element “marquee” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Warnings:
Empty heading.
The first occurrence of ID “menuElem” 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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