Austral.edu.ar W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “//schema.org/WebPage” for attribute “itemtype” on element “html”: The string “//schema.org/WebPage” is not an absolute URL.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
CSS: “letter-spacing”: only “0” can be a “unit”. You must put a unit after your number.
Malformed byte sequence: “c2”.
No “p” element in scope but a “p” end tag seen.
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
End tag “p” seen, but there were open elements.
Unclosed element “span”.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The “type” attribute for the “style” element is not needed and should be omitted.
Empty heading.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
This document appears to be written in Spanish. Consider adding “lang="es"” (or variant) to the “html” start tag.
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