Blog
Short, practical guides for checking your hardware and fixing what the tests find.
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Tests
How to check your VPN after switching Wi-Fi
Check whether your VPN reconnects safely after switching Wi-Fi. Test for IPv6 and WebRTC leaks, compare results, and troubleshoot interruptions.
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Games
How to practice fast target switching in a browser
Practice fast target switching in a browser with short, repeatable drills. Set target size and spacing, then track accuracy before speed.
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Tests
Why router gaming mode may not fix bufferbloat
A router's gaming mode can prioritize traffic without controlling queues. Test loaded delay, find the bottleneck, and choose fixes that can help.
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Tests
Pitch bend wheel jumps between values? How to test it
Check whether a pitch bend wheel sends abrupt MIDI jumps or whether your music app is changing the bend, then work through practical fixes.
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Tests
How to check microphone behavior while typing softly
Compare your voice level with quiet typing, spot when keystrokes enter the mic, and check whether processing or mic placement reduces them.
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Tools
How to sort an attendance CSV by registration date
Sort an attendance CSV by registration date without mixing up rows. Check date formats, choose oldest-first or newest-first, and verify the saved file.
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Tests
How to see which browser engine you are using
Check whether your browser uses Blink, WebKit, or Gecko, learn what the engine means, and confirm the result with TooLab's Browser Info.
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Tests
How to test bass vibration in a small room
Use a slow bass sweep to find whether a speaker, shelf, door, or loose object is vibrating, then isolate the cause and reduce the rattle.
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Tests
Why a USB microphone sounds different through a hub
Find out whether a USB hub is changing your microphone's sound or exposing a settings, power, or device-selection problem, then test the cause.
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Tests
Video upload stalls near completion: what to check
Find out why a video upload freezes near 100%, separate connection trouble from a site or file limit, and choose a safe next step.
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Tools
How to schedule support coverage across offices
Plan support shifts across office time zones, find overlap and handoff gaps, and verify each team’s local working hours before sharing a schedule.
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Tests
How to test an L-shaped office for Wi-Fi weak spots
Map Wi-Fi quality around both arms of an L-shaped office, spot slow or unreliable areas, and compare results after moving your router or access point.