Have you ever wondered what makes a proxy "clean" or how to ensure your proxy doesn't blacklist you from sites? For anyone accessing the web through a proxy, a clean proxy is an essential part of a seamless online experience. In this post, we'll delve into the world of clean proxies and explore the factors that determine their quality.

1. What is a pure proxy?
In simple terms, a clean proxy is one whose IP address is not blacklisted in the major proxy detection systems used by well-known websites and platforms you visit. These detection systems are deployed by Internet giants such as Google and Cloudflare, which have data to distinguish and identify irregular proxy behavior due to their huge network traffic. They then provide APIs to share this data with other websites and platforms.
In fact, there are two types of understanding of pure proxy:
The IP address that has not been used by anyone is shared by a small number of people, but the platforms that access and use it are supplemented and used, so the available IP addresses have not been contaminated when detected on each platform.
When a website detects a suspicious IP, it may block traffic from that IP range or display a captcha to reduce server load caused by that proxy traffic.
2. How to check if your proxy is clean or blacklisted?
You can determine whether your proxy is blacklisted by:
Google Search: If you keep encountering CAPTCHAs when searching on Google, this is a warning sign that your proxy may have been blacklisted by Google.
Forum access: Trying to access forums like blackhatworld that use Cloudflare for security measures can also reveal potential proxy issues. If you are a verified person and still cannot bypass the security check, this indicates a problem.
Create a new account: You can also try creating new accounts on different platforms to see if you encounter consecutive captchas or your new account is immediately suspended. This could be a sign that your IP is blacklisted.
IP Checker Websites: There are some online tools like whoer.net etc. that allow you to check if your IP is on any blacklist of any detection system.
If you are unable to bypass Google and Cloudflare checks, there may be an issue with your proxy. However, it is important to realize that the website or platform you are using may not rely solely on these specific detection systems. Therefore, it is crucial to do your own testing of proxies to determine if they meet your requirements.
3. No proxy can stay clean forever. Although there are many pure proxy IPs now, it is important to know that almost all IP pools have undergone migration and changes over time. Especially in the case of large traffic or multiple users, almost no proxy can stay "clean" forever; performance degradation is also an important manifestation of loss.
Therefore, when we are looking for an IP proxy for our business, we should try not to look for a shared IP used by multiple people. Sharing by too many people is likely to affect the speed and performance of the IP itself, and may even cause damage to the IP due to the behavior of the sharer, thereby affecting one's own business. Such traps are particularly common in free proxy IPs.
When you continue to use a proxy, accounts linked to the suspicious IP may face lockouts or repeated login requests, even if your cookies remain valid. To regain access, you may need to change your IP address. For valuable accounts, it is recommended to use a high-quality clean proxy.
Residential ISP proxies from real homes are generally better than proxies from data centers because they are closer to the real user environment and are less likely to be flagged.
IPv6 has a lot of IP addresses, and large systems tend not to pay much attention to it. However, some websites (such as Gleam, Etsy, and eBay) do not support IPv6, so using these proxies may not work on those websites.
4. How to obtain a clean IP?
1. Build an IP pool by yourself: Purchase a cloud server and build an exclusive proxy IP pool. The quality, purity and security of the IP are guaranteed, but the cost is also relatively high and the operation requires more technical skills. This method is only used by large enterprises with technical capabilities.
2. Professional proxy IP provider procurement: Some professional proxy IP providers provide pure IP customization services. According to your own IP needs, business needs, etc., they can quickly provide a full set of solutions to meet various business scenarios (you need to find a brand with good industry reputation and capabilities).
5. Conclusion In conclusion, the importance of clean proxies cannot be overemphasized. Thoroughly understanding the factors that affect their quality can give you the knowledge to improve the use of proxies more skillfully. Therefore, before doing network business, you must understand the importance of clean proxies!
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