Patentlyo.com W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
The “banner” role is unnecessary for element “header”.
Empty heading.
The “navigation” role is unnecessary for element “nav”.
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
The “contentinfo” role is unnecessary for element “footer”.
Errors:
Element “dl” is missing a required instance of child element “dd”.
No “p” element in scope but a “p” end tag seen.
Attribute “security” not allowed on element “iframe” at this point.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “marginwidth” attribute on the “iframe” element is obsolete. Use CSS instead.
The “marginheight” attribute on the “iframe” element is obsolete. Use CSS instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
Attribute “gesture” not allowed on element “iframe” at this point.
Attribute “allow” not allowed on element “iframe” at this point.
Bad value “attachment wp-att-21810” for attribute “rel” on element “a”: The string “wp-att-21810” is not a registered keyword.
Bad value “attachment wp-att-21800” for attribute “rel” on element “a”: The string “wp-att-21800” is not a registered keyword.
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