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Guides
Short, practical explanations of what your connection numbers mean and what they affect in everyday use.
Understanding your speed-test results
What download, upload, ping, jitter and packet loss each mean, and when each one actually matters.
How much speed do you need?
Practical starting points for browsing, HD and 4K streaming, video calls, gaming and livestreaming.
Why speed-test results vary
Wi-Fi signal, distance from the router, congestion, VPNs, other devices and server location.
Wi-Fi versus Ethernet
Why a wired connection tests more consistently, and how to get a fairer reading over Wi-Fi.
How TestConn measures your connection
The measurement method, what is measured in the browser, and why packet loss shows N/A.
Your IP address and network provider
What your public IP, provider, ASN and country tell you — and what happens when you use a VPN.
More in-depth guides are being written and will appear here as they are published.