잇섭도 언급한 fast.com
페이귀제발 fast.com 말고 아래 사이트로 속도 측정
https://www.speedtest.net/ko
https://www.speedtest.net/ko
https://speed.nia.or.kr
https://speed.cloudflare.com
https://meter.net
안드로이드
https://play.google.com/store/apps/details?id=org.zwanoo.android.speedtest&hl=en
IOS
https://apps.apple.com/us/app/speedtest-by-ookla/id300704847
IOS
https://apps.apple.com/us/app/speedtest-by-ookla/id300704847
