HTTP_HOST => students.cs.uri.edu
HTTP_ACCEPT_ENCODING => x-gzip, gzip, deflate
HTTP_USER_AGENT => CCBot/2.0 (http://commoncrawl.org/faq/)
HTTP_ACCEPT => text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
HTTP_IF_MODIFIED_SINCE => Sun, 18 Mar 2018 19:09:17 GMT
HTTP_CONNECTION => close