How to Fix Latency Spikes

Latency spikes often come from Wi‑Fi interference, congestion, or background uploads. Stabilize your network to reduce spikes.

Common causes

  • Background uploads or cloud backups.
  • Wi‑Fi interference and weak signal.
  • Router overload or overheating.

Fixes

  • Pause background tasks.
  • Switch to Ethernet or 5 GHz Wi‑Fi.
  • Restart or reposition the router.

Verification

  • Run multiple tests and compare jitter.
  • Test during different times of day.
Run a Speed Test

Related Guides

Low-latency gaming setup

Read this next to go deeper.

Fix high jitter

Read this next to go deeper.

Packet loss and fixes

Read this next to go deeper.

Quick Answers

What is the most common mistake?

Relying on a single test result or ignoring Wi‑Fi conditions is the most common mistake.