Blog
Short, practical guides for checking your hardware and fixing what the tests find.
-
Tests
Why sandboxed frames cannot access a microphone
Learn why a sandboxed iframe is denied microphone access, which browser policies matter, and what to change without weakening security.
-
Tests
Download speed drops when several devices update
See why downloads slow when several devices update, how to compare speed before and during updates, and ways to keep calls and browsing usable.
-
Tests
Why a fan curve changes benchmark behavior
Learn how fan curves affect short and sustained benchmark scores, use a browser test to spot heat-related slowdowns, and compare settings fairly.
-
Games
How to test whether a thumbstick returns to center
Check whether a gamepad thumbstick springs back to center, spot delayed return or drift in a browser test, and learn what to check next.
-
Tests
How to inspect a screen defect without rubbing it
Inspect a screen mark without pressing or rubbing the panel. Use solid colors to see when it appears, and learn when to stop and seek repair.
-
Tests
RAM read vs. write speed: what the results mean
Learn what RAM read, write, and copy speeds measure, why the numbers differ, and how to compare results without mistaking a benchmark score for a fault.
-
Tests
Laptop warns of low charger power? What to check
Find out whether the charger, cable, port, or laptop power use is behind the warning, then compare charging rates safely with a browser test.
-
Tests
ISP IP appears while VPN is on? What to check
Find out why your ISP address may appear while a VPN is on, test for IPv6 or WebRTC leaks, and choose the right next step.
-
Tests
What a browser cannot measure about router buffer sizes
See what a browser bufferbloat test reveals about delay under load, what it cannot tell you about router queue size, and what to try next.
-
Tests
Why Wi-Fi works in the hall but not the bedroom
Find out why Wi-Fi reaches the hall but stalls in the bedroom, map weak spots, and test whether router placement or interference is the cause.
-
Tests
Fast speed test, but websites load slowly?
A fast speed test does not guarantee every website is healthy. Learn how to tell whether the slowdown is your connection, browser, or the site itself.
-
Tools
Two gray panels don't match? How to check why
Compare the panels' on-screen color values, then check display settings, color profiles, and surrounding colors to find why the grays look different.