Free Internet Speed Test
Check your download, upload, ping and jitter.
About the Internet Speed Test
Free internet speed test. Measure your connection's download and upload speed, ping and jitter right in your browser, using Cloudflare's global servers. No app, no sign-up — just press start.
How it works
- 1
Press start
The test measures ping, then download, then upload.
- 2
Watch it live
The speed updates in real time as it runs.
- 3
Read your numbers
Download, upload, ping and jitter.
Frequently asked questions
It downloads and uploads test data to and from Cloudflare's global speed servers and measures the throughput, plus your ping and jitter — all in your browser.
Wi-Fi, your device, other active downloads, browser overhead and distance to the server all reduce measured speed. Test on a wired connection and close other tabs for the fairest reading.
No — the measurement runs in your browser and nothing is saved or sent to us.