How to check a proxy online: liveness and anonymity

What to check on a proxy before work: is the channel alive, what latency, does it leak your IP and which type it is.

Before the job, run the proxy through a checker. You need four numbers: is it alive, what latency, does your real IP leak and what type it is.

Liveness is the base. A dead address simply won't answer and the checker shows a timeout. On free lists the dead are the majority, so a check saves hours.

The main parameter is anonymity. An elite proxy doesn't hand over the headers that reveal a middleman. A transparent one shows everything, and for multi-accounting it's useless.

The address type matters just as much. The checker shows whether it's a mobile IP, a residential one or a server one from a data center. For warming up accounts you take only the first two.

On a mobile channel, check separately that the IP really belongs to a carrier and not a server posing as mobile. It shows in the ASN and the network name.

Test the rotation. Pull the rotation link and confirm the address changed and an IP-detection service shows a new region. Without that the channel loses half its point.

Mobile speed fluctuates, and that's fine. Stability matters more: the channel shouldn't drop under your software's multi-thread load.

It's handy to keep your own proxy and check it whenever. With your own Android channel you see the carrier, region and the moment the address changes.

Read also

• Types of proxies: server, residential, mobile and how they differ
• Where to buy mobile proxies: what to look at
• Mobile proxies for Proxifier: step-by-step setup

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