How to prevent the crawler from being blocked by the website

This article mainly explains "how to prevent the crawler from being blocked by the website". Interested friends might as well take a look. The method introduced in this paper is simple, fast and practical. Let's let the editor take you to learn "how to prevent the crawler from being blocked by the website".

Basically, you need to simulate legitimate users in order not to be blocked.

1. Set the correct header

two。 Switch IP addresses (usually established by proxy server switching)

3. Reuse cookie.

4. Understand the crawler rules of robots.txt.

Also, keep in mind that most websites usually contain a set of crawler rules called robots.txt, which also states that you can and cannot crawl the contents of the site, which you can find out when reading more about robots.txt files. For people who have no crawling experience, they may need to know too much, so according to the crawler experience, items 1, 3 and 4 can be avoided by learning, and switching IP addresses can be solved by purchasing an agent ip specifically for crawlers.

At this point, I believe you have a deeper understanding of "how to prevent crawlers from being blocked by the website". You might as well do it in practice. Here is the website, more related content can enter the relevant channels to inquire, follow us, continue to learn!