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Start DiagnosisPriority guides
Slow Wi-Fi
Learn the most common causes of slow home Wi-Fi and the tests that separate ISP, router, coverage, device, and latency problems.
Read guideOne-room slowdown
Find out why one room is slow and how to test whether the issue is coverage, router placement, mesh placement, or the device.
Read guideMesh decision
Decide whether mesh Wi-Fi is likely to help, when a wired access point is better, and what to test before buying.
Read guideRouter vs ISP
Use near-router, wired, and room-by-room tests to decide whether your slow internet looks like a router/Wi-Fi issue or an ISP/modem issue.
Read guideGaming lag
Gaming lag is often a latency and loaded-latency problem, not a download-speed problem. Learn what to test first.
Read guideVideo calls
Video calls can freeze because of upload speed, loaded latency, VPNs, room coverage, or a work-device issue.
Read guideSmart home
Smart bulbs, cameras, plugs, and doorbells often fail because of 2.4 GHz range, WPA settings, combined SSIDs, or weak edge coverage.
Read guideWi-Fi bands
A practical explanation of Wi-Fi frequency bands, range, speed, wall penetration, and which devices belong on each band.
Read guideBand steering
When one combined Wi-Fi name is convenient, when split names help, and how to test without making the network harder to manage.
Read guideMore test notes
Router placement
Router placement basics for better home Wi-Fi coverage: central, open, raised, and away from blockers.
Read guideMesh placement
Avoid the common mistake of putting mesh nodes where signal is already too weak.
Read guideSpeed-test comparison
Why comparing near-router and bedroom speed-test results is one of the simplest ways to diagnose home Wi-Fi problems.
Read guideSpeed expectations
Understand why a gigabit internet plan rarely means every Wi-Fi device will show 1,000 Mbps.
Read guideSmart-home bands
Why many smart-home devices need 2.4 GHz Wi-Fi and what that means for setup and reliability.
Read guideLegacy devices
How older Wi-Fi devices use shared airtime, why band splitting can help, and when the old device is not actually the problem.
Read guideLatency
Loaded latency explains why games and video calls can lag even when speed-test download numbers look fine.
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