First, let's understand how crawlers work. A crawler is a program or script that automatically crawls network data according to certain rules. It can quickly complete crawling and sorting tasks, greatly saving time and cost. Frequent crawling by crawlers will cause a huge load on the server. In order to protect itself, the server naturally has to make certain restrictions, which is what we often call anti-crawler strategies, to prevent the crawler from continuing to collect data.
When the website has restrictions and anti-crawler, we need to use a proxy IP. (You can try this link, I am using it now)
The proxy IP mainly serves as a transfer information function, we can regard it as an information transfer station. Using a proxy IP can increase the speed of network access, and at the same time it can control the Internet gateway, seek benefits and avoid harm, avoid risks, and play a good role in protecting network servers.
When choosing a proxy IP, we must pay attention to the business success rate , rather than the so-called availability, connectivity rate, etc. that merchants emphasize on promoting. Here are a few points for your reference.
1. IP pool capacity
When doing crawling, there is a huge demand for the number of IPs. Millions of unique IPs need to be obtained every day. If there are repeated IPs, tens of millions of IPs need to be extracted in one day. If the IP pool is not large enough, it will not be able to meet the business, or the IP will be blocked due to repeated extraction.
2. Stability
If the connection is unstable and disconnected frequently, I don’t think you will buy from this agent no matter how cheap it is.
3. High concurrency
Generally speaking, crawlers are basically multi-threaded and distributed, so try to choose a crawler IP provider with high concurrency
4. Cover the entire city
Just like a question I answered before, when a website has visitors from all over the world, it will definitely not be blocked. Therefore, the more regions there are, the more effective it is in anti-crawling.
5. High anonymity
A highly anonymous proxy can prevent the target server from detecting that you are using a proxy. It is very suitable for users to collect big data and can ensure the efficiency and stability of data collection.
6. Real IP
For crawler users, the efficiency and business success rate of real IP are far ahead.
This article comes from online submissions and does not represent the analysis of kookeey. If you have any questions, please contact us
