Findevgateway.org W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
The “complementary” role is unnecessary for element “aside”.
The “main” role is unnecessary for element “main”.
Empty heading.
The first occurrence of ID “” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Errors:
Bad value “revision” for attribute “rel” on element “link”: The string “revision” is not a registered keyword.
Stray end tag “i”.
Bad value “” for attribute “id” on element “img”: An ID must not be the empty string.
Attribute “description” not allowed on element “li” at this point.
Attribute “hide-sub-when-collapse” not allowed on element “li” at this point.
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
Attribute “block” not allowed on element “ul” at this point.
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Element “div” not allowed as child of element “h3” in this context. (Suppressing further errors from this subtree.)
Bad value “00Z” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “”.
United States US