Guides
Making sense of your speed test
Short, practical guides that explain what your speed test result means, and what you can do about it.
Connection & hardware
Wi-Fi, routers, cabling and the devices sharing your line.
Why Wi-Fi lowers your speed test, and how to prove it
If the number kept jumping around during your speed test, Wi-Fi is the likely culprit. Here is why it happens, how a single cable proves it, and where to look when Wi-Fi turns out to be innocent.
6 min readRead the guide
How devices sharing your connection split your speed
If your speed did not change at all during the test, other devices sharing the line may be using the internet at the same time. We explain why this happens and how to check.
5 min readRead the guide
How mobile signal affects your speed test
On a cellular connection your speed changes constantly with your location and signal strength. We explain why, and what you can do for a more accurate measurement.
5 min readRead the guide
Latency & congestion
Latency problems that cause stutter even when speed is fine.
Measuring correctly
Things that distort the test itself: background tabs, tired devices, battery saver.
Your device may be slowing down the speed test
Sometimes a low result is not caused by your internet but by a computer or phone that is bogged down at that moment. How to tell, how to rule it out, and what to do.
5 min readRead the guide
How to run a speed test correctly: background tabs and browser traps
If every test on the same connection comes out different, the culprit is usually not the line but how you run the test. We explain background tabs, long browser sessions and other common mistakes using how browsers actually behave.
5 min readRead the guide
How battery saver lowers your speed test
When your phone or laptop is in battery saver, a speed test can come out below your real speed. We explain why, and how to get a correct result, using Apple's and Google's own documentation.
5 min readRead the guide