Shulou(Shulou.com)06/03 Report--

This article will explain in detail which IP switching tools are more suitable for python crawler. The editor thinks it is very practical, so I share it with you as a reference. I hope you can get something after reading this article.

First, high concealment agent: the other party's server can not recognize your real ip, nor can it identify the proxy ip you use.

General proxy: the other server cannot recognize your real ip address, but knows that you are using a proxy ip.

Transparent proxy: return the real ip to the other server, this type of ip will be accelerated to disable.

Why do crawlers need to replace ip tools? Because in the process of collecting data, if the same ip visits the site frequently, it will trigger the anti-crawler mechanism of the site, and the site judges the crawler action according to the identified ip, forbids access or restricts ip. Without the support of ip agent, efficient crawler work can not be completed. In the process of crawling data, ip needs to be constantly changed to break through the anti-crawler mechanism, and high-quality ip is needed. The ip exchange tools on the market are generally divided into the above three categories.

According to the statistics of a well-known platform, 40% of the broadband and server resources frequently visited by anti-crawlers are consumed by crawlers. If you remove 10% of the search engine crawlers and implement anti-crawlers, you can save 20% and 25% of the resources. It can be seen that the web crawler will increase the server load when grabbing the website information, and the anti-crawler is mainly triggered by IP traffic. When an IP address is accessed frequently in a short period of time and exceeds the manual click speed, it will be judged to be a web crawler. As a result, the IP address is restricted, making it impossible for users to access the site in a short period of time.

This is the end of this article on which IP switching tools are more suitable for python crawlers. I hope the above content can be of some help to you, so that you can learn more knowledge. if you think the article is good, please share it out for more people to see.

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