Warnings:
The “complementary” role is unnecessary for element “aside”.
The “banner” role is unnecessary for element “header”.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
The “main” role is unnecessary for element “main”.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
The “navigation” role is unnecessary for element “nav”.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Errors:
End tag “svg” did not match the name of the current open element (“use”).
The element “a” must not appear as a descendant of the “button” element.
Element “img” is missing required attribute “src”.
Bad value “2017-12-01T05:30CST” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
The “sizes” attribute may be specified only if the “srcset” attribute is also present.
Bad value “2017-12-01T10:32CST” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “2017-12-01T11:45CST” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “2017-12-01T09:47CST” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “2017-12-01T11:02CST” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “2017-11-30T16:59CST” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “2017-12-01T11:51CST” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “2017-12-01T11:41CST” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “2017-12-01T12:07CST” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “2017-12-01T12:30CST” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “2017-12-01T11:05CST” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “2017-12-01T11:00CST” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The “aria-labelledby” attribute must point to an element in the same document.
The “itemprop” attribute was specified, but the element is not a property of any item.
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