Internet Speed Test
Measure download, upload, latency and jitter from your browser.
About the Internet Speed Test
Run a real speed test against Cloudflare's edge network: escalating download and upload transfers for an accurate Mbps reading, plus latency and jitter from repeated round trips. No account, no install, no tracking.
Keyboard shortcuts
- Copy the main outputCtrl / ⌘ + Shift + C
- Download the resultCtrl / ⌘ + S
- Share this toolCtrl / ⌘ + Shift + S
- Reset the inputsAlt + R
- Open the tool search paletteCtrl / ⌘ + K
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Frequently asked questions
Read more
- What IP geolocation and speed tests actually tell you
IP locations are estimates, ASN data is the reliable part, and browser speed tests read lower than your plan. How to interpret the numbers correctly.
- Internet speed tests and what the numbers actually mean
Download, upload, jitter and packet loss each tell a different story. Here is how a browser-based speed test measures them and what the results imply for your connection.
Version 1.0.0 · Updated 2026-09-03 · Runs entirely in your browser