Socioambiental.org W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.
Attribute “about” not allowed on element “article” at this point.
Attribute “content” not allowed on element “span” at this point.
Attribute “datatype” not allowed on element “span” at this point.
Attribute “rel” not allowed on element “span” at this point.
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Attribute “datatype” not allowed on element “a” at this point.
Bad value “200px” for attribute “width” on element “iframe”: Expected a digit but saw “p” instead.
Bad value “275px” for attribute “height” on element “iframe”: Expected a digit but saw “p” instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.
Element “h3” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Warnings:
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “complementary” role is unnecessary for element “aside”.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Empty heading.
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