[Seashell]

1、Slow down the crawling speed, reduce the pressure caused by the target website;

2、Proxy IP can play the role of the middle layer, the use of proxy IP can be more secure access to the global public web pages, more efficient data collection;

3, of course, not all proxy IP can play this role. Proxy IP is divided into two kinds: high anonymity and transparent (ordinary anonymity is also considered transparent); transparent proxy IP server-side to see your real IP and proxy IP, high anonymity proxy IP server-side can only see the proxy IP. so, it is best to use high anonymity proxy IP.