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 check heat-related slowdown on USB-C power
Check whether your laptop slows down from heat while charging or running through USB-C, then compare the results safely with a browser test.
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Tests
What browser settings block autoplay in tutorials
Find out why tutorial videos do not autoplay, which browser controls can block playback, and how to allow it or tell when a click is required.
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Tests
Why a browser download is slower than a speed test
Learn why a file downloads slower than your speed test, how to compare Mbps with MB/s, and what to check before blaming your browser.
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Tests
How to test a kiosk touchscreen before deployment
Check every area of a kiosk touchscreen, test multi-touch, and catch alignment or dead-zone problems before customers use it.
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Tests
Only recent files readable on a USB drive?
If older files on a USB drive or SD card fail while newer ones open, protect what remains, check for false capacity, and know what to do next.
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Tests
How to compare sensor responsiveness in web apps
Compare how quickly web apps react to the same movement, separate sensor delays from browser limits, and check settings that can affect readings.
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Tests
WebGL contexts fail to initialize: what to check
Find out why WebGL will not start in your browser, check graphics support, and try practical fixes before assuming your graphics hardware is broken.
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Tests
How to test a phone's movement detection before exercise
Check whether your phone's motion sensors respond before a workout, understand what the readings show, and fix common permission or setup issues.
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Tests
How to test whether dark shades are crushed
Check whether your monitor merges near-black shades, use a browser color test, and adjust display settings that hide shadow detail.
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Tests
Tablet ignores touch near charging port: what to check
Find out whether a charging cable, case, screen protector, software setting, or damaged digitizer is causing a tablet's touch dead zone near its port.
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Tests
Wi-Fi latency when Bluetooth audio plays
Measure Wi-Fi response time, jitter, and drops before and during Bluetooth audio, then tell interference from normal network variation.
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Tests
How to check File System Access API support
Check whether your browser exposes the File System Access API, what each result means, and how to verify file picking on the site you use.