CLI internet speed test via Cloudflare's speed test service. Measures download and upload throughput, idle latency, and loaded latency. Provides an interactive TUI with real-time charts, a history of past test results, JSON export, and a headless text/JSON mode for scripting. Binds to a specific network interface or source IP if required.

WWW: https://github.com/kavehtehrani/cloudflare-speed-cli
