HTTP/1.1 200 OKServer: nginx/1.12.0Date: Sat, 03 Jun 2017 07:25:20 GMTContent-Type: text/html; charset=UTF-8Connection: keep-aliveLast-Modified: Sat, 03 Jun 2017 07:25:15 GMTCache-Control: max-age=3, must-revalidateExpires: Sat, 03 Jun 2017 07:25:23 GMTVary: Accept-Encoding,CookieContent-Encoding: gzip