Mesalva.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Attribute “async” not allowed on element “link” at this point.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Attribute “name” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “itemprop”, “property”.
Stray end tag “head”.
Start tag “body” seen but an element of the same type was already open.
Bad value “https://www.w3.org/2000/svg” for the attribute “xmlns” (only “http://www.w3.org/2000/svg” permitted here).
Duplicate ID “Layer_1”.
Warnings:
Attribute “xmlns” is not serializable as XML 1.0.
The first occurrence of ID “Layer_1” was here.
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.
This document appears to be written in Portuguese. Consider adding “lang="pt"” (or variant) to the “html” start tag.
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