Scrapy自动切换代理IP：代理池与重试配置指南
Scrapy实现自动切换代理IP，需通过下载中间件搭建代理分配、失效剔除、重试控制、池子更新的闭合链路，适配长期运行的网站采集器，可接入青果网络代理资源提升稳定性。
Provider Comparison
How to Choose Overseas Proxy IPs: The Difference Between Residential and Datacenter Proxies
A practical guide to picking between residential and datacenter proxy pools for overseas scraping — match the pool to your target's IP-detection logic, not to price or "which is better."