Performance TestingResilience Testing• 5 min read

How to Test Slow 3G and Flaky Mobile Network Resilience

Summary: Combine millisecond delays with probabilistic status flips to simulate real-world mobile network jitter and flaky cellular connections.

Why This Rule Matters for Developers & QA

Users on moving trains, elevators, or congested cellular towers experience dropped packets and fluctuating latency. Testing under these conditions ensures your UI doesn't freeze.

Step-by-Step Implementation Guide

1

Identify Critical Path Requests

Target initial bootstrap API requests or product catalog fetches.

2

Inject High Latency (3000ms+)

Simulate high RTT (Round Trip Time) mobile network environments.

3

Validate Offline and Retry States

Confirm your app presents friendly error states rather than infinite spinner freezes.

Configuration Snippet

How to Test Slow 3G and Flaky Mobile Network Resilience — proxyceptor-rule.json
JSON
{
  "id": "rule_simulate_flaky_cellular",
  "pattern": "*/api/v1/feed*",
  "action": "delay",
  "delayMs": 3500,
  "enabled": true
}

Frequently Asked Questions

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