A static proxy keeps the same IP address for as long as you hold it. A rotating proxy gives you a different one, either on every request or on a timer. That single difference, session length, is what separates them, and it determines which one suits a given job.
This comparison is often framed as “static versus residential”, which is not a real distinction. Static residential proxies are residential. So are rotating residential proxies. Both draw on addresses assigned by consumer internet providers to real households. The only thing that changes between them is whether the address stays put.
Definitions First
Static proxies assign you one IP address that does not change. In the residential category these are sold as ISP proxies, and that is the more accurate name: the address is allocated by a consumer internet provider, so websites treat it as a household connection, while the hosting sits in a datacenter so it is fast and always up. You hold it exclusively for the life of the plan.
Rotating proxies draw from a pool. You connect to a single gateway endpoint and the provider assigns a different address behind it, either per request or on a schedule you control. Shifter’s residential proxies work this way, with sticky sessions available when you need an address to persist for a while.
| Static (ISP) | Rotating residential | |
|---|---|---|
| IP source | Consumer ISPs, datacenter-hosted | Consumer ISPs, real household connections |
| Session length | Indefinite, the address is yours | Per request, or a sticky window you set |
| Speed | High, datacenter infrastructure | Moderate, traffic crosses real consumer lines |
| Detection risk | Low to moderate | Low |
| Cost model | Per IP per month | Per GB |
| Best use case | Accounts, logins, long sessions | Bulk collection, geo-checks, scraping |
Detection: The Honest Answer
This article previously claimed both that static residential proxies are hard to detect and, a few sections later, that being easy to detect is their main drawback. Both statements had their own heading. Only one position can be right, so here it is.
ISP proxies are harder to detect than datacenter proxies and easier to detect than rotating residential. The address is registered to a consumer internet provider, which is the signal that matters most and which datacenter IPs cannot fake. But the address is also serving a lot of traffic from one holder over a long period, and it is hosted on infrastructure that sits in known ranges. A site paying close attention can notice a household IP behaving like a server.
In practice this rarely matters, because the jobs ISP proxies suit are the jobs where a stable identity is the point. An account that always logs in from the same address looks more legitimate, not less.
Benefits and Drawbacks
Static proxies are good at:
- Anything with a login. The session survives because the address does not change.
- Predictable cost. Per-IP pricing means a busy month costs the same as a quiet one.
- Speed. Datacenter hosting is faster and more consistent than routing through real consumer connections.
- Building history. An address that has behaved well on a platform for months carries earned trust.
And weak at:
- Scale. One address can only do so much before its rate looks unusual.
- Blast radius. If the address does get blocked, everything on it is blocked at once.
- Geographic spread. Covering many locations means buying many addresses.
Rotating proxies are good at:
- Volume. Traffic spreads across a large pool so no single address stands out.
- Coverage. Any country, city or ASN in the pool is available from the same endpoint.
- Resilience. A blocked address is replaced automatically on the next request.
- Cost efficiency at low volume. You pay for the bandwidth you use, not for idle addresses.
And weak at:
- Sessions. Anything stateful breaks when the address changes, unless you use sticky sessions.
- Cost at high volume. Per-GB pricing adds up when the job is large and continuous.
- Consistency. Latency varies because real consumer connections vary.
Which to Choose
Ask one question: does anything in this job depend on being the same visitor as last time?
If yes, static. Account management, ad platforms, anything logged in, anything that took a verification step to set up.
If no, rotating. Scraping, price monitoring, SERP checks, ad verification, availability checks across regions.
Many operations need both. A price intelligence setup typically collects on rotating residential and logs into its own dashboards and supplier portals on a couple of ISP addresses.
If your job needs continuity for minutes rather than months, you may not need static at all. Sticky sessions on a rotating plan hold an address for a set window and are usually the cheaper answer.
Current rates for both are on the pricing page, and the ISP proxies page lists per-IP plans.
Conclusion
Static and rotating are not competing products, they are two answers to the question of whether your work has a session in it. Rotating spreads traffic wide and suits collection. Static holds one trusted identity and suits everything with a login.
For the wider picture see types of proxies, and for how rotation itself is configured, what are rotating proxies.