Your Environment

HTTP_USER_AGENT CCBot/2.0 (https://commoncrawl.org/faq/)
HTTP_ACCEPT text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
HTTP_ACCEPT_LANGUAGE en-US,en;q=0.5
HTTP_IF_MODIFIED_SINCE Fri, 18 Jan 2019 01:44:20 PST
HTTP_HOST ei4web.yz.yamagata-u.ac.jp
HTTP_CONNECTION Keep-Alive
HTTP_ACCEPT_ENCODING gzip
REMOTE_ADDR 18.210.27.34
REMOTE_PORT 43570


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