Internet Speed Test for WiFi, Fiber and Broadband

Use Speedfast when streaming stalls, a video call freezes, an online game feels delayed, or your provider speed does not match what you expected. The test separates download, upload, ping and jitter so you can see whether the problem is raw speed, WiFi coverage or connection stability.

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What to compare

Run two or three tests, then compare the average download, upload and ping instead of trusting one isolated number.

Better testing conditions

Test near the router, pause cloud backups and compare WiFi with Ethernet when you need a cleaner baseline.