按目标网站实测代理表现而非依赖供应商宣传

来源证据

一位爬虫开发者亲述：同一代理配置在一个零售网站表现出色，换一个网站却被拦截；单次请求通过的旋转住宅代理可能在流程后续请求中失效，因此按实际目标 URL 基准测试才是正确的衡量单位。

@iankerins "There is no universal answer" matches my experience exactly — I've watched a provider ace one retail site and get stonewalled by another with the same config, so benchmarking against the actual target URL is the right unit of measurement. Two things I'm curious about from running into this myself: does the benchmark measure sustained multi-request sessions, or single fetches? Some anti-bot setups bind the session to an IP, so a rotating residential pool can pass a one-off GET with