Latency Test
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Measure the round-trip time (latency) to various web endpoints.
Latency, often called "ping", is the time it takes for a small data packet to travel from your device to a server and back. Lower latency generally means a faster, more responsive connection.
Good: < 100ms | Medium: 100-200ms | Poor: > 200ms
Note: This test uses `fetch` with `no-cors`. Results indicate round-trip time but may be influenced by browser and network configurations.