Slow or flaky WiFi usually comes down to a few fixable causes: interference, poor placement, the wrong channel, or default advanced settings that do not suit your environment. This guide collects the highest-impact tweaks and links to detailed explanations for each.
Start with the basics
Before touching advanced settings, run through the fundamentals in five ways to boost WiFi performance. Placement and band selection alone fix most problems.
Choose the right channel and band
Interference from neighboring networks is a common culprit. Learn how to pick the best channel for 5GHz WiFi to avoid congestion.
Tune advanced router settings
Most routers expose advanced wireless options that can help in the right situation:
- Beacon interval - balances throughput against connection stability.
- DTIM interval - affects battery life and broadcast traffic.
- Fragmentation threshold - can help in noisy environments.
- Beamforming - focuses the signal toward your devices.
Extend your coverage
If parts of your home still have dead zones, you can add a WiFi repeater or upgrade to a whole-home mesh WiFi network.
Keep up with standards
Newer hardware brings real gains. See what WiFi 6 (802.11ax) changes, and read our WiFi 7 explainer before your next router purchase.
