What a browser WiFi speed test can measure
The test observes usable application throughput, round-trip latency, jitter, stalls and consistency between two devices. It does not claim to read your router's radio statistics.
- Directional throughput in Mbps
- Latency distribution and jitter
- One-second speed variation
- Direct-path evidence from WebRTC
How to get a useful result
Connect one device by Ethernet when possible, keep both pages visible, pause large downloads, and test from the room where performance matters. Repeat after changing position or network settings.
What is a good WiFi speed?
Useful throughput depends on the devices, WiFi generation, channel width, distance, interference, browser and CPU. Treat labels as general guidance, not universal hardware specifications.