Errors:
Bad value “images/defcon-25/Election Security White Paper_Praetz_12062017.pdf” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “https://www.defcon.org/images/defcon-25/DEF CON 25 voting village report.pdf” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “images/defcon-25/DEF CON 25 voting village report.pdf” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Named character reference was not terminated by a semicolon. (Or “&” should have been escaped as “&”.)
Bad value “https://media.defcon.org/DEF CON 25/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “https://media.defcon.org/DEF CON 25/DEF CON 25 presentations/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “https://media.defcon.org/DEF CON 25/DEF CON 25 workshops/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “https://media.defcon.org/DEF CON 25/DEF CON 25 x-hour film contest/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Stray end tag “a”.
Bad value “https://media.defcon.org/DEF CON 25/DEF CON 25 ctf/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “https://media.defcon.org/DEF CON Torrents/DEF CON 25 ctf.torrent” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “https://media.defcon.org/DEF CON 25/DEF CON 25 pictures/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “https://media.defcon.org/DEF CON 25/DEFCON-25-Receipt.pdf” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “https://media.defcon.org/DEF CON 25/DEF CON 25 presentations.torrent” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “https://media.defcon.org/DEF CON 25/DEF CON 25 workshops.torrent” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Warnings:
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
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