Learn

Short, plain-language guides to what your speed test result means and what to do about it.

Run the speed testSee your own numbers, then read what they mean.

Guides

• What is a good internet speed?How many Mbps you need, and why upload and latency matter as much as download.
• Internet speed explainedDownload, upload, Mbps vs MB/s, and why your result may not match your plan.
• Ping and latencyWhat ping means, what a good number is, and how to bring it down.
• What is jitter?Why uneven delay makes calls robotic and games stutter, and how to steady it.
• What is bufferbloat?The reason calls and games lag when someone else is downloading, and how to fix it.
• What is packet loss?Lost data, why even 1% hurts calls and games, and what to check.
• Internet speed by usageThe exact numbers behind each rating, from HD streaming to many devices.
• How to improve Wi-Fi speedFind the real bottleneck first, then fix Wi-Fi, lag and slow uploads.

By connection type

• Fiber speed testHow to test a fast fiber plan properly and read the result.
• Mobile speed test (4G and 5G)Testing 4G and 5G on a phone, saving data, and why results jump around.

How the test works

Every formula, threshold and rating rule the test uses is published on the methodology page, generated from the same code that runs the test.