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iperf3 software.es.net ↗

A command-line tool for measuring network throughput between two hosts.

ToolNetworkingbandwidth-testingnetwork-diagnostics

Screenshot of software.es.net, iperf3's site

Captured 3 Nov 2026

Recommended in 1 thread

Can’t fish Ethernet? Use “invisible” fiber instead
momandpop.network · 11 days ago
Suggested to measure the actual local link speed instead of relying on ISP speed tests.

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Link from a commenter, not checked or endorsed by us: ↗ https://software.es.net/iperf/