Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
The “main” role is unnecessary for element “main”.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
The “contentinfo” role is unnecessary for element “footer”.
Empty heading.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Errors:
Bad value “//pmc-d.openx.net/w/1.0/jstag?nc=3782-PMC RON” for attribute “src” on element “script”: Illegal character in query: space is not allowed.
Bad value “1” for attribute “async” on element “script”.
Element “script” must not have attribute “async” unless attribute “src” is also specified.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “alt” not allowed on element “h1” at this point.
Attribute “_lpchecked” not allowed on element “form” at this point.
No “p” element in scope but a “p” end tag seen.
The text content of element “time” was not in the required format: The literal did not satisfy the time-datetime format.
Bad value for attribute “href” on element “a”: Illegal character in query: space is not allowed.
End tag “li” seen, but there were open elements.
Unclosed element “div”.
Bad value “generator nofollow” for attribute “rel” on element “a”: The string “generator” is not a registered keyword.
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