Static and Dynamic Proxies — Features and Differences

The proxy server mechanism allows you to change geolocation, gain access, and work with multiple accounts. But the key parameter for solving many tasks is how often the proxy's IP address changes. This determines whether it will be static or dynamic.

What are static proxies

A static proxy is a permanent, fixed IP address. You receive it for your use, and it does not change unless you decide to change it yourself.

Key characteristics of static proxies:

• One address for the entire duration of use.
• You know which IP will be seen by websites. Good for accounts that require binding to a specific address.
• High connection stability.
• Clean reputation (when using private addresses).

What are dynamic proxies

A dynamic proxy is a pool of addresses that automatically replace each other. Each request may come from a new IP, or the change occurs after a set time interval (for example, every 5 minutes or every hour).

Key characteristics of dynamic proxies:

• Frequent IP changes. Addresses rotate automatically. You do not control which specific IP will make the request.
• High anonymity. Constantly changing the address makes tracking much more difficult. It is hard for an attacker to understand that all requests come from one person.
• Extensive address pool. Providers maintain thousands or even millions of IPs from different countries and networks.
• If one IP gets restricted, the next one is automatically picked up.

Main differences between static and dynamic proxies

IP address permanence

A static proxy provides one unchanging address. A dynamic proxy provides constantly new ones.

Connection stability

With a static proxy, the connection is predictable. You can log into a website, work for several hours, and the session will not be interrupted.

With a dynamic proxy, each IP change breaks the current session. For a browser, it is like closing a tab and opening a new one with a different address.

Level of trust from websites

Websites are more loyal to static IPs if the address is clean and behaves appropriately.

With dynamic proxies, it is more complicated. Frequent IP changes can be perceived as suspicious activity. Especially if you try to log into a social media account and your IP jumps from New York to Tokyo every 5 minutes.

Scalability

A static proxy scales linearly. Need 100 addresses for 100 accounts — you buy 100 static IPs. Each works independently.

A dynamic proxy scales through rotation. One pool can serve hundreds of request streams because addresses are not rigidly tied to specific tasks, and this is ideal for parsing.

Cost and availability

Static proxies are usually more expensive per unit, especially residential ones. But you pay a fixed amount for a certain period.

Dynamic proxies are often priced by traffic. You pay for how much data you transferred, not for the number of IPs. For large volumes, this is more cost-effective.

Advantages and disadvantages

Static proxies

Pros:

• Stable connection, sessions do not break.
• Good for working with accounts where IP binding is important.
• High level of trust from websites with a clean reputation.
• Predictable costs.

Cons:

• If an IP gets blacklisted, it becomes useless. Need to replace it.
• Not suitable for tasks that require many different addresses in a short time.
• Scale more slowly: each new account requires a new IP.

Dynamic proxies

Pros:

• High anonymity. IP constantly changes.
• Resilience. One address stops working — it is replaced by another.
• Ideal for parsing and data collection.
• Cover multiple geolocations from a single pool.

Cons:

• Not suitable for long authenticated sessions.
• Can raise suspicion from websites due to frequent IP changes.
• Unpredictable reputation of individual addresses.
• Traffic-based pricing may not be cost-effective for some tasks.

How to choose the right type of proxy

• Purpose of use. For managing accounts on social networks, ad accounts, or marketplaces — take static ones. For price parsing, competitor monitoring, data collection — dynamic ones.
• Stability requirements. Do you need a session to last for hours? Static. Is it okay if the connection reconnects periodically? Dynamic may work.
• Frequency of address changes. One account — one IP forever? Static. Thousands of requests, each from a new address? Dynamic.
• Budget and resources. Static — a clear monthly fee per IP. Dynamic — often pay for traffic. Calculate what is more profitable for your volumes.

Common mistakes when choosing

Misunderstanding the tasks

Trying to use dynamic proxies for Facebook accounts is a sure way to lose all your accounts. Using static proxies for mass parsing is spending a lot of money on IPs that will still stop working after a couple of thousand requests.

Focusing only on price

Cheap static proxies often turn out to be shared — dozens of people use one IP. The reputation of such an address is usually already ruined. The same goes for dynamic ones: a pool that is too cheap consists of garbage addresses from blacklists.

Ignoring technical parameters

Not all static proxies are equally stable. Not all dynamic pools are large enough and clean enough. Check uptime, speed, and IP reputation before you pay.

Belurk offers solutions for various tasks — from working with accounts to parsing and automated data collection. The catalog features proxies with support for HTTP/HTTPS and SOCKS5, high connection speed, and stable operation. Users also receive quality technical support and the ability to choose the optimal solution for their goals.