Itrcweb.org W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “/About/News Item - Sharing Methane Detection Technologies at ARPA-E” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
The “align” attribute on the “p” element is obsolete. Use CSS instead.
The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.
The “center” element is obsolete. Use CSS instead.
The element “h4” must not appear as a descendant of the “th” element.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
The “align” attribute on the “h1” element is obsolete. Use CSS instead.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Bad value “”noopener” for attribute “rel” on element “a”: The string “”noopener” is not a registered keyword.
Attribute “noreferrer”” not allowed on element “a” at this point.
Warnings:
Attribute “noreferrer”” is not serializable as XML 1.0.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
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