Journalijdr.com W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
The “complementary” role is unnecessary for element “aside”.
A table row was 3 columns wide and exceeded the column count established by the first row (2).
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Errors:
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.
The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.
The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.
The “border” attribute on the “table” element is obsolete. Use CSS instead.
Attribute “border” not allowed on element “input” at this point.
Bad value “” for attribute “name” on element “button”: Must not be empty.
The “aria-labelledby” attribute must point to an element in the same document.
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