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

This article mainly shows you "how to deal with the problems encountered in using the crawler agent IP pool", the content is simple and clear, and I hope it can help you solve your doubts. Let the editor lead you to study and learn how to deal with the problems encountered in the IP pool using the crawler agent.

When crawling data, the crawler must use the proxy IP, otherwise it cannot proceed smoothly. When users use the proxy IP crawler, there will also be some problems, so that the crawler can not continue. What if I encounter a problem using the crawler agent IP pool?

1. Distributed crawler.

The use of distributed crawler technology can not only avoid problems to a certain extent, but also greatly improve the effect and efficiency of grabbing data.

2. Save cookies.

Simulated login will be more troublesome. After logging in directly to the web page, you can directly remove the cookies and save the cookies together, but this method does not last, and the cookie may not be effective.

3. Deal with the CAPTCHA; the crawler will encounter the problem of entering the CAPTCHA for a long time and let the other website recognize you as a crawler.

After down local verification, you can enter the CAPTCHA manually.

4. For multiple accounts, many websites will judge according to the visit frequency of the account.

This allows you to test the crawl threshold of a single account instead of the proxy IP.

The above is all the contents of the article "how to deal with problems encountered in using the crawler agent IP pool". Thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!

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