Comipems.org.mx W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Text run is not in Unicode Normalization Form C.
The first occurrence of ID “” was here.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Errors:
The “width” attribute on the “table” element is obsolete. Use CSS instead.
Bad value “” for attribute “id” on element “img”: An ID must not be the empty string.
Duplicate ID “”.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
The “itemprop” attribute was specified, but the element is not a property of any item.
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