Tecmilenio.edu.mx W3C HTML Markup Validation
HTML markup errors and warnings
(Rescan now...)
Errors:
X-UA-Compatible HTTP header must have the value “IE=edge”, was “IE=edge,chrome=1”.
A “charset” attribute on a “meta” element found after the first 1024 bytes.
Bad value “cleartype” for attribute “http-equiv” on element “meta”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate attribute “class”.
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
End tag “p” seen, but there were open elements.
Unclosed element “a”.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
End tag for “body” seen, but there were unclosed elements.
Unclosed element “div”.
The “aria-controls” attribute must point to an element in the same document.
Warnings:
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
The “charset” attribute on the “script” element is obsolete.
The “type” attribute is unnecessary for JavaScript resources.
The “contentinfo” role is unnecessary for element “footer”.
Mexico MX