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
How to test a USB-C to USB-A charging cable
Compare a USB-C to USB-A cable with another cable, spot slow charging, and learn what a browser test can and cannot tell you.
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Tests
How to test noise reduction from a door draft stopper
Compare sound levels before and after fitting a door draft stopper, using the same noise source, microphone position, and room conditions.
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Tests
How to find out if hardware acceleration is available
Check whether your browser can use hardware acceleration, whether it is enabled, and what to try if graphics features are running in software.
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Tests
Why cheap copy paper makes ink bleed
See why low-cost copy paper can make inkjet text feather or show through, and compare a printer test page to check whether paper or settings are at fault.
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Tests
How to check a refurbished phone's charging rate
Compare a refurbished phone's charging rate with another cable or charger, learn what percent per minute can show, and spot signs that need follow-up.
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Tests
Why a touch screen misses taps with a case
Find out whether a phone case is covering the touch area, then test for dead zones and check screen settings before replacing the display.
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Tests
Why touch behaves differently in landscape mode
Learn why taps, swipes, or edge gestures change in landscape, then test for orientation settings, app layout problems, or a screen fault.
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Tests
Why a flash drive can lie about free space
See why a flash drive can show free space but lose files, how fake capacity and file system overhead work, and how to verify its real size.
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Tests
Low frame rates from the browser compositor
Learn how to tell when choppy browser animation comes from compositing, compare graphics performance, and test fixes for acceleration, scaling, and extensions.
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Tests
How to compare Wi-Fi coverage in a loft and living room
Compare Wi-Fi quality in your loft and living room with repeatable measurements, spot the weaker area, and see which fixes are worth trying.
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Tests
How to inspect browser traffic after a VPN update
Check whether your browser is still using the VPN after an app update, spot IPv6 or WebRTC leaks, and learn what a browser test cannot verify.
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Tests
How to compare display scaling at 100% and 125%
Compare 100% and 125% display scaling without changing resolution. Check text size, usable space, app sharpness, and which setting fits your screen.