Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
The “center” element is obsolete. Use CSS instead.
End tag “p” implied, but there were open elements.
Unclosed element “a”.
End tag “div” seen, but there were open elements.
No “a” element in scope but a “a” end tag seen.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
Text not allowed in element “iframe” in this context.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Attribute “x-autocompletetype” not allowed on element “input” at this point.
Attribute “autocapitalize” not allowed on element “input” at this point.
Attribute “autocorrect” not allowed on element “input” at this point.
The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.
The “font” element is obsolete. Use CSS instead.
Bad value “” for attribute “src” on element “img”: Must be non-empty.
Attribute “popupally-popup” not allowed on element “form” at this point.
Warnings:
The “complementary” role is unnecessary for element “aside”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
United States US