fast.gripe

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Tests against the nearest Cloudflare data center using random, uncompressible data. Speeds are the 90th percentile of 0.25 s throughput windows after a warm-up (0.05 s windows when a Light test finishes very quickly), over several parallel connections. Loaded latency is measured while data is flowing (bufferbloat).
The test only runs when you press Go. Results stay in this browser; nothing is logged or stored on the server.

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