Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Bad value “//fonts.googleapis.com/css?family=Roboto:700|Roboto:normal&subset=latin” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.
The “center” element is obsolete. Use CSS instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “_lpchecked” not allowed on element “form” at this point.
The “font” element is obsolete. Use CSS instead.
End tag “font” violates nesting rules.
No “b” element in scope but a “b” end tag seen.
The “scrolling” attribute on the “iframe” element is obsolete.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The “frameborder” attribute on the “iframe” element is obsolete.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The “align” attribute on the “div” element is obsolete. Use CSS instead.
Stray end tag “a”.
Attribute “border” not allowed on element “iframe” at this point.
The “marginwidth” attribute on the “iframe” element is obsolete. Use CSS instead.
The element “header” must not appear as a descendant of the “footer” element.
Attribute “popupally-popup” not allowed on element “form” at this point.
Warnings:
The “banner” role is unnecessary for element “header”.
The “complementary” role is unnecessary for element “aside”.
The “contentinfo” role is unnecessary for element “footer”.
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