Test files for bandwidth measurement

50M51200 KB 100M102400 KB 300M307200 KB 500M512000 KB 1000M1024000 KB 4000M4096000 KB
Only two download connections are allowed per IP address

General example for iperf3

Download test (from server to client)iperf3 -c test.fortex.ru -R -t 15 -P 4 -f m

Upload test (from client to server)iperf3 -c test.fortex.ru -t 15 -P 4 -f m
Only one TCP test session (connection) is allowed per IP address. UDP not permitted

Run test via browser

https://test.fortex.ru/web

Command for Linux/macOS

Install iperf3 before running this command
echo "download: $(iperf3 -c test.fortex.ru -R | grep -Eo '[0-9]+(\.[0-9]+)? Mbits/sec' | tail -n1)"
echo "upload:   $(iperf3 -c test.fortex.ru | grep -Eo '[0-9]+(\.[0-9]+)? Mbits/sec' | tail -n1)"

Script for Windows

This is a script for testing internet speed on Windows. It already includes the iperf3 binary, nothing else needs to be downloaded
To use it, download, unzip and run start-test.bat

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