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This article mainly explains "what is the relationship between http agents and reptiles". The content of the explanation is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn "what is the relationship between http agents and reptiles".

"Web crawler" is no stranger to people engaged in the work of big data on the Internet. even if they are not in use, they also know a little bit about it. In the era of big data on the Internet, where did the data come from? Only the crawler can get the data from the target, so what does the http agent have to do with the crawler?

1. Http agent is an important part of web crawler.

But its usage is very large, and the returned data needs to access the target server through the http proxy. If the ip of the ip high-frequency access to the target server cannot be used soon and will be blocked by the other server, then the crawler naturally cannot run, so the emergence of the http agent is to solve the problems encountered by the crawler.

2, ADLS dial-up vps: buy a large number of dynamic vps servers, dial continuously to get an ip, and then put it into your own ip pool, and then process it to generate extraction links.

Use the api link to extract the ip. Ip collection: some users collect open free ip to save money or develop internship opportunities, but there are few such ip users because it is unsafe, poor quality, and can not meet the needs of crawlers. Agent ip: purchase an off-the-shelf proxy ip directly from the proxy ip provider's website.

Thank you for your reading, the above is the content of "what is the relationship between http agents and reptiles". After the study of this article, I believe you have a deeper understanding of the relationship between http agents and reptiles, and the specific use needs to be verified in practice. Here is, the editor will push for you more related knowledge points of the article, welcome to follow!

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