Blog
Tests
Guides for testing your keyboard, mouse, screen, sound, network and other hardware, and for fixing what the tests find.
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Tests
Loaded delay stays high with QoS on? What to check
Find why latency still rises during downloads or uploads with QoS enabled, then check router rates, device priority, and other traffic.
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Tests
How to test rural fixed wireless over time
Track rural fixed wireless reliability with repeated tests. Compare delay and dropouts by time and weather, then separate Wi-Fi problems from provider issues.
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Tests
Why network speed drops during an encrypted transfer
Learn why encrypted downloads or uploads slow down, how to separate VPN, server, Wi-Fi, and device limits, and what to test next.
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Tests
Compare a card's sequential and small-write speed
Compare a memory card's large-file speed with its small-write behavior, run a repeatable browser test, and learn what slow results mean.
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Tests
How to check for thermal throttling in a browser
Compare CPU performance before and after a short sustained browser load, learn what a slowdown suggests, and check cooling and power settings.
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Tests
Phone orientation data freezes in a browser? How to fix
Learn why a phone's orientation readings stop changing in a browser, how to test them, and which permissions or browser settings to check.
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Tests
Why your browser isn't using the dedicated GPU
Learn why a browser may choose integrated graphics, how to check GPU acceleration, and what to change on Windows or macOS.
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Tests
How to check storage speed after an OS update
Check whether an OS update changed your drive speed, compare large-file and small-write results, and rule out background work or power settings.
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Tests
Why a USB drive reads faster than it writes
A USB drive can read files quickly but write them slowly. Learn what causes the gap, how to measure it fairly, and when the drive may need replacing.
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Tests
How to test storage after replacing a card reader
Check whether a replacement card reader restores normal transfer speed, and separate reader, card, port, and browser limits with a repeatable test.
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Tests
Local file export does nothing? What to check
If clicking Export creates no file or save prompt, check browser download settings, permissions, and file-saving support before blaming the app.
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Tests
VPN switches protocols? What to test
Check whether a VPN protocol switch is normal, compare what changes, and test for IPv6 or WebRTC leaks before you adjust the connection.