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Performance2026 Updated

Fix Slow Proxy Speed

Diagnose and fix slow proxy speeds, high latency, and bandwidth issues. Optimize your proxy setup for maximum performance.

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Expected Mobile Proxy Speeds

4G LTE

10-50 Mbps typical

5G

50-200 Mbps typical

Latency

50-150ms average

Peak Hours

30% slower typical

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Slow Download/Upload Speed

Speeds significantly below expected rates (under 5 Mbps on 4G, under 20 Mbps on 5G).

Diagnostic Steps

1

Test Your Base Connection

First, test your internet speed without proxy:

# Without proxy
curl -o /dev/null -w "Speed: %{speed_download}\n" https://speed.cloudflare.com/__down?bytes=10000000

If base speed is slow, the issue is your local connection, not the proxy.

2

Test Proxy Speed

Now test through the proxy:

# With proxy
curl -x "http://user:pass@proxy.proxies.sx:8080" -o /dev/null -w "Speed: %{speed_download}\n" https://speed.cloudflare.com/__down?bytes=10000000

Compare results. Proxy speed should be at least 50% of base speed.

3

Try Different Server Location

Distance affects speed. Use servers closer to your target:

US Target Sites

Use US proxy servers

EU Target Sites

Use EU proxy servers

4

Check Network Type

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5G Proxies

Fastest speeds, best for large downloads

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4G LTE Proxies

Good speeds, most common choice

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3G Proxies

Slower speeds, use only if needed for specific IP

Test Your Proxy Speed

Use our built-in tools to measure your proxy performance: