cf-speedtest

A simple internet speed test CLI tool using speed.cloudflare.com

Installation

# Recommended
uv tool install cf-speedtest

# Or with pip
pip install -U cf-speedtest

Usage

# Run a speedtest
cf-speedtest

# Without SSL verification
cf-speedtest --verifyssl=false

# Custom percentile (default 90)
cf-speedtest --percentile 80

# Output to CSV
cf-speedtest --output speed_data.csv

# With proxy
cf-speedtest --proxy socks5://127.0.0.1:1080
cf-speedtest --proxy http://127.0.0.1:8181

Requirements

• Python 3.10+

Disclaimers

• Single-threaded
• Works over HTTP(S), which has some overhead
• Latency measured via HTTP requests
• Cloudflare has a global network, but you may connect to a distant PoP due to ISP peering