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SpeedSnap opens six parallel HTTP connections to its own test server in New Jersey, United States, and measures throughput over a 15-second transfer in each direction, discarding the first 1.5 seconds of each as ramp-up. Latency is reported as a trimmed mean that drops the fastest and slowest 20% of samples. Your result reflects the real speed between your device and that one server at the moment you test, so it moves with Wi-Fi conditions, network congestion, background downloads, time of day and your distance from New Jersey. Run the test a few times for a representative figure.

A typical speed test uses approximately 100-500 MB of data depending on your connection speed and test duration. If you're on a limited data plan, we recommend using WiFi when testing.

Download speed measures how fast you can receive data (streaming videos, loading websites, downloading files). Upload speed measures how fast you can send data (video calls, uploading files, live streaming). Most connections have faster download than upload speeds.

Many factors affect real-world speeds: network congestion, WiFi signal strength, distance from router, background applications, ISP throttling, and time of day. Your ISP's advertised speed is typically the maximum possible speed under ideal conditions.

Ping (latency) measures the time it takes for data to travel from your device to a server and back, measured in milliseconds (ms). Lower is better. Ping under 20ms is excellent for gaming and video calls, 20-50ms is good, 50-100ms is average, and over 100ms may cause noticeable lag.

Jitter measures the variation in ping over time. Low jitter (under 10ms) means stable connection, essential for real-time applications like video calls and online gaming. High jitter causes choppy calls and laggy gameplay.

Try these tips: 1) Place your router in a central location, 2) Use Ethernet cable instead of WiFi, 3) Close bandwidth-heavy applications, 4) Restart your router, 5) Update router firmware, 6) Check for ISP outages, 7) Consider upgrading your plan, 8) Use a WiFi extender for large spaces.

We never ask for an account, an email address or a password, and no raw IP address is kept in your results row. If you allow telemetry, a saved test holds your download, upload, ping and jitter plus your city, country, ISP name as reported by an IP lookup, device type, and a hashed device ID derived from your IP address and browser. Decline and nothing from your test is added to our database.

Yes! SpeedSnap is fully optimized for mobile devices. You can test your mobile data connection or WiFi speed directly from your smartphone or tablet browser, anywhere in the world.

Regular testing helps you: 1) Verify you're getting the speed you pay for, 2) Identify connection issues before they become problems, 3) Find the best time to use your internet, 4) Track improvements after router placement changes, 5) Have data when contacting your ISP about issues.

Yes. SpeedSnap runs in any modern browser from any country, and the interface is available in 30 languages. Tests run against SpeedSnap's test server in New Jersey, United States, so the further you are from that location the higher your ping will be. Our methodology page explains what that means for your result.