//응답속도 체크
curl -o /dev/null -s -w %{time_connect}:%{time_starttransfer}:%{time_total} https://www.80000v.net
curl -o /dev/null -s -w %{time_connect}:%{time_starttransfer}:%{time_total} http://www.80000v.net
curl -o /dev/null -s -w %{time_total}\\n https://www.80000v.net/
//리턴코드 체크
curl -s -o /dev/null -w "%{http_code}\n" https://www.80000v.net/
//응답코드와 시간 체크
curl -o /dev/null -s -w "%{http_code}:%{time_connect}:%{time_total}:%{size_download}:%{content_type}" http://www.80000v.net