HTTP/1.1 200 OKServer: nginx/1.12.0Date: Sat, 10 Jun 2017 12:44:32 GMTContent-Type: text/html; charset=UTF-8Connection: keep-aliveLast-Modified: Sat, 10 Jun 2017 12:44:27 GMTAccept-Ranges: bytesCache-Control: max-age=3, must-revalidateExpires: Sat, 10 Jun 2017 12:44:35 GMTVary: Accept-Encoding,CookieContent-Encoding: gzip