Errors:
Bad value “icon shortcut” for attribute “rel” on element “link”: If the “shortcut” keyword is present, the “rel” attribute's entire value must be “shortcut icon”.
Bad value “handheld” for attribute “media” on element “link”: Deprecated media type “handheld”. For guidance, see the Media Types section in the current Media Queries specification.
Element “link” is missing one or more of the following attributes: “itemprop”, “property”, “rel”.
Bad start tag in “img” in “head”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Stray end tag “noscript”.
Stray end tag “head”.
Start tag “body” seen but an element of the same type was already open.
Bad value “menuitem” for attribute “role” on element “header”.
An element with “role=menuitem” must be contained in, or owned by, an element with “role=menubar” or “role=menu”.
The element “header” must not appear as a descendant of the “footer” element.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “marginheight” attribute on the “iframe” element is obsolete. Use CSS instead.
The “marginwidth” attribute on the “iframe” element is obsolete. Use CSS instead.
Warnings:
Empty heading.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
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