If you've scraped anything at scale, you've hit the wall: the first 50 requests work, then you get 403 s, CAPTCHAs, or empty pages. The site has noticed that one IP is asking for a lot. Residential proxies fix this by routing each request through a real household connection, so your traffic looks like many ordinary visitors instead of one busy server. But how you rotate those IPs matters as much as having them. This post covers the two modes you'll actually use, rotating and sticky, with P...