Internet speed test

It checks four things: download speed, upload speed, latency (ping) and how stable that latency is (jitter). Together they show how your connection will hold up for streaming, online gaming or video calls.

Ping is how long it takes data to reach a server and come back — the lower it is, the more responsive your connection feels, which matters for gaming and video calls. Jitter shows how much that time varies — high jitter means an unstable connection, even when the ping itself looks fine.

Wi-Fi shares bandwidth with every other device in your home and is sensitive to distance from the router and interference. A wired (Ethernet) connection usually measures faster and more consistently, which is why it's worth telling us which one you're using — otherwise you're comparing apples to oranges.

The speed in your contract is a theoretical maximum. Your real result depends on the time of day, network load, the wiring in your home, and how many devices are online at once. A few measurements at different times will give you a fuller picture.

Yes — it downloads and uploads real data to measure your actual bandwidth, which can add up to a few hundred megabytes. Be mindful of this if you're on a mobile connection with a limited data plan.