Errors:
X-UA-Compatible HTTP header must have the value “IE=edge”, was “IE=edge,chrome=1”.
Bad value “cleartype” for attribute “http-equiv” on element “meta”.
Element “toolbar” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Element “banner” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Element “social” not allowed as child of element “section” in this context. (Suppressing further errors from this subtree.)
Element “h2” not allowed as child of element “a” in this context. (Suppressing further errors from this subtree.)
Bad value “<a href="/contributors/jorge-arango-0">Jorge Arango</a>” for attribute “href” on element “a”: Illegal character in path segment: “<” is not allowed.
Start tag “a” seen but an element of the same type was already open.
Stray end tag “a”.
Bad value “<a href="/contributors/chris-risdon">Chris Risdon</a>, <a href="/contributors/patrick-quattlebaum">Patrick Quattlebaum</a>” for attribute “href” on element “a”: Illegal character in path segment: “<” is not allowed.
Bad value “<a href="/contributors/kevin-m-hoffman">Kevin M. Hoffman</a>” for attribute “href” on element “a”: Illegal character in path segment: “<” is not allowed.
Bad value “<a href="/contributors/olga">Olga Elizarova</a>, <a href="/readers/jen-briselli">Jen Briselli</a>, <a href="/readers/kimberly-dowd">Kimberly Dowd</a>” for attribute “href” on element “a”: Illegal character in path segment: “<” is not allowed.
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “<a href="/contributors/susan-weinschenk-ph-d">Susan Weinschenk, Ph.D.</a>” for attribute “href” on element “a”: Illegal character in path segment: “<” is not allowed.
Bad value “<a href="/contributors/shilpi-choudhury">Shilpi Choudhury</a>” for attribute “href” on element “a”: Illegal character in path segment: “<” is not allowed.
Bad value “<a href="/contributors/ted-booth">Ted Booth</a>” for attribute “href” on element “a”: Illegal character in path segment: “<” is not allowed.
Bad value “<a href="/contributors/luke-clum">Luke Clum</a>” for attribute “href” on element “a”: Illegal character in path segment: “<” is not allowed.
Bad value “<a href="/contributors/juan-sanchez-0">Juan Sanchez</a>” for attribute “href” on element “a”: Illegal character in path segment: “<” is not allowed.
Element “search” not allowed as child of element “section” in this context. (Suppressing further errors from this subtree.)
Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The “banner” role is unnecessary for element “header”.
Document uses the Unicode Private Use Area(s), which should not be used in publicly exchanged documents. (Charmod C073)
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “navigation” role is unnecessary for element “nav”.
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