Troubleshooting 8 min read Updated January 5, 2026
Troubleshooting Proxy Issues
Diagnose blocks, timeouts, and data gaps with a repeatable troubleshooting checklist.
Common issues
- HTTP 403/429 blocks
- Slow response times
- Empty or partial responses
Step-by-step diagnosis
- Verify target site is up
- Test direct connection without proxy
- Rotate IP and user agent
- Reduce request rate
- Validate response content
When to switch proxy types
If your block rate stays high, move from datacenter to residential or ISP.
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