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

This article introduces the relevant knowledge of "how to detect the availability of proxy IP". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

1. Number of tests.

To evaluate, the sample should not be too small. If only a dozen tests cannot be easily concluded, choose the appropriate evaluation number of 500, that is, 500 agents will be tested for each course.

2. Calculate the time.

Because we have the response speed of the test agent, it is necessary to calculate the time difference before and after the program request. The test Python library used here is requests, so it is OK to calculate the time difference between the request and the response.

3. Timeout limit.

During the test, we will inevitably encounter the problem of agent accounting timeout, so here we also need to unify a timeout period, which is set to 60 seconds. If you use agent accounting Baidu and there is no response in 60 seconds, then the agent is considered invalid.

4. Take the test on the spot.

In the evaluation, we must follow the present test, that is to say, one test at a time. If we extract 100 agents at a time, but these 100 agents do not participate in the test at the same time, the latter agents will go through a waiting period, and then test these agents after a period of time, which will certainly affect the effectiveness of the latter half of the agents.

5. Test links.

Testing also needs to use stable crawler links to eliminate the interference of the server, and use Baidu as the test target here.

This is the end of the content of "how to detect whether the proxy IP is available". Thank you for reading. If you want to know more about the industry, you can follow the website, the editor will output more high-quality practical articles for you!

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