Test your internet speed

Your browser opens parallel connections to Cloudflare's global server network and transfers data in both directions. Speed is computed from the amount of data moved per unit of time, in megabits per second (Mbps). The connection's warm-up phase (TCP slow start) is excluded from the average, so the result reflects your line's real capacity more closely.

Ping is the time, in milliseconds, for a small request to reach the server and come back; lower is better. Jitter is the variation between consecutive ping measurements. For real-time applications such as video calls and online gaming, jitter can matter even more than the average ping.

Wi-Fi signal quality, the age of your modem/router, other devices sharing the network, peak-hour congestion and background downloads all reduce the result. Also note that plans are advertised in megabits (Mb), while file managers usually show megabytes (MB) — one eighth of a megabit figure.

Use an Ethernet cable if possible, repeat the test a few times at different hours, pause video streaming and large downloads during the test, and turn off your VPN. On Wi-Fi, move closer to the router.

Test results (speeds, ping, ISP name, city) are stored under an anonymous device identifier; no name, e-mail or full IP address is kept. Your history is only accessible with the identifier kept in this browser.

Some tests measure against a server right next to your provider (sometimes inside its own network); that reflects your line's contracted capacity, and the upload figure in particular comes out high. This test measures against Cloudflare's global network, showing your speed to the open internet — closer to what you experience in daily use (uploading video, video calls, servers abroad). Two different results do not mean either test is wrong; they answer different questions.