Battle Royale · Activision

Call of Duty: Warzone Packet Loss Test

Packet loss is the top cause of Call of Duty: Warzone lag spikes, missed hit-registration and rubber-banding. Call of Duty: Warzone stays smooth under 0.2% loss; 0.8% is borderline and above 2.5% it's effectively unplayable. Test your real UDP loss and bufferbloat below, then work through the fixes.

Good ping, jitter & packet loss for Call of Duty: Warzone

MetricOptimalGoodPlayable maxNo-go
Ping20 ms40 ms70 ms> 100 ms
Jitter3 ms8 ms15 ms> 30 ms
Packet loss0%0.2%0.8%> 2.5%

Dense end-game scenes want bandwidth headroom; twitch moments behave like Competitive FPS.

How to fix Call of Duty: Warzone packet loss

  1. 1. Use a wired Ethernet connection

    Wi-Fi is the most common source of packet loss and jitter. A cable to the router removes interference and is the single biggest fix for most Call of Duty: Warzone players.

  2. 2. Enable SQM / QoS on your router

    Smart Queue Management (fq_codel / CAKE) crushes bufferbloat — the lag that appears when the line is busy. Many routers expose this as "QoS" or "anti-bufferbloat".

  3. 3. Pick the nearest server region

    Switch Call of Duty: Warzone to the closest region. A nearer datacenter means lower ping and fewer drops; see the region list on the Call of Duty: Warzone ping test.

  4. 4. Restart the gateway and rule out the line

    Power-cycle the modem/router. If loss persists on Ethernet across servers, the problem is upstream — contact your ISP with the measured loss figures.

Call of Duty: Warzone regions FRAGRATE checks

  • NA East · Virginia
  • NA Central · Ohio / Chicago
  • NA West · Oregon
  • EU West · London
  • EU Central · Frankfurt
  • Asia East · Tokyo
  • Asia SE · Singapore
  • Oceania · Sydney
  • SA East · São Paulo

How FRAGRATE measures this

FRAGRATE measures ping and jitter as a TCP-handshake to a public endpoint in each game region, packet loss via UDP/WebRTC, and bufferbloat as the latency added while your line is saturated. Run it locally for true per-region game-server ping, or use the hosted browser test for ping, loss and bufferbloat.

FAQ

How much packet loss can Call of Duty: Warzone tolerate?
Keep packet loss under 0.2%. Between 0.2% and 0.8% is borderline; above 2.5% Call of Duty: Warzone is effectively unplayable.
Why does Call of Duty: Warzone lag when someone else is streaming?
That's bufferbloat — latency that piles up when your connection is saturated. A fast line can still spike to hundreds of ms under load, so Call of Duty: Warzone stutters mid-fight. FRAGRATE measures latency-under-load to catch it.
Does jitter matter for Call of Duty: Warzone?
Yes — keep jitter under 8 ms for Call of Duty: Warzone (Battle Royale). Above 30 ms you get inconsistent hit registration and rubber-banding even when average ping looks fine.
What is a good ping for Call of Duty: Warzone?
Aim for under 40 ms; under 20 ms is optimal for Call of Duty: Warzone. Up to 70 ms is the playable ceiling, and above about 100 ms Call of Duty: Warzone feels laggy.

More for Call of Duty: Warzone

Run the live Call of Duty: Warzone test →