In crawler, the crawler website has anti-crawler mechanism. If the same IP is used to visit a web page repeatedly, it is easy to be restricted by IP, and the website cannot be accessed any more. In this case, proxy IP is needed.
When crawler crawls a website data, it is equivalent to saying hello to a person repeatedly, and there is a very large chance that it will be blocked. Use proxy IP to change different IP, each time the other website thought it was a new user, naturally there is no risk of shielding.
If the service volume is small and the working efficiency is not high, do not use the proxy IP address. If the amount of work is large and the capture speed is fast, the target server will be easy to discover, so it is necessary to use the proxy IP address to change the IP address and then capture.
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