Blog
Short, practical guides for checking your hardware and fixing what the tests find.
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Tests
Why RAM bandwidth changes with background browser tabs
Learn why RAM bandwidth scores change when browser tabs are open, how to repeat a fair test, and when the result may point to a real issue.
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Tests
Microphone stops working after switching devices
Find out why your microphone goes silent after switching headphones, a USB mic, or an input setting, then restore the right device and permission.
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Tools
How to time an online interview answer
Use a browser timer and stopwatch to rehearse concise interview answers, check your pacing, and keep practice on track without memorizing a script.
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Tests
How to test Wi-Fi on a balcony or patio
Map Wi-Fi quality from indoors to your balcony or patio, find where the connection gets unreliable, and choose the next fix without guessing.
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Tests
USB-C display shows no picture? What to check
Find out why a USB-C monitor stays blank, check whether your computer detects it, and work through the cable, port, input and display settings.
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Tests
Why autoplay with sound fails in some browsers
Find out whether a browser policy, site permission, or sound setting is stopping autoplay, and what to change in Chrome, Edge, Firefox, or Safari.
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Tests
Why does my bufferbloat grade vary in the evening?
Learn why your bufferbloat grade changes at night, how to compare fair results, and whether the cause is home traffic, Wi-Fi, or your ISP.
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Tests
Why does my webcam look orange under household lighting?
Find out why indoor light makes your webcam look orange, how to compare the camera feed fairly, and which lighting or camera settings to change.
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Tests
Why drive performance changes after a long write session
See why a drive can slow down after sustained writing, how to compare read and write behavior, and what to check before you blame the drive.
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Tests
How to check internet performance at a conference venue
Check download, upload, ping and jitter on venue Wi-Fi, then test for dropouts and find what to fix before your conference starts.
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Tests
Does moving your desk improve Wi-Fi? How to test
Compare Wi-Fi response time, jitter, and dropouts at your current and proposed desk spots, then tell whether the move makes your connection steadier.
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Tests
How to map Wi-Fi before adding smart speakers
Map Wi-Fi quality at planned speaker locations before you buy or install smart speakers, then spot weak rooms and choose what to fix first.