nPerf

Speedtest

speedtest.net

FAST

fast.com

Cloudflare Speed Test

speed.cloudflare.com

Netmaker

netmaker.io

M-Lab Speed Test

measurementlab.net

Internet Speed Test

speedtest.appzend.net

WebPageTest

webpagetest.org

SpeedVitals

speedvitals.com

DNSPerf

dnsperf.com

Яндекс Интернетометр

yandex.ru

SpeedCurve

speedcurve.com

SpeedExam

speedexam.net

Speedscale

speedscale.com

PageSpeed Plus

pagespeedplus.com

Pingniner

pingniner.com

SpeedOf.Me

speedof.me

Paessler PRTG

paessler.com

Pingify

pingify.com

PerfOps

perfops.net

Treo

treo.sh

CloudPerf

cloudperf.com

Tricentis NeoLoad

tricentis.com

Statseeker

technichegroup.com

nstproxy

nstproxy.com