What is a residential proxy and why does scraping need one?
A proxy is a relay server that routes your requests through a different IP address. "Residential proxies" use real consumer-grade IPs (from real homes, via legitimate consent) instead of datacenter IPs — much harder for target sites to identify and block.
Datacenter vs residential
Datacenter proxies: cheap (~$1/GB), fast, easy to identify and block. Residential: 5-20× more expensive, slower, look identical to real users. For LinkedIn/Google/Twitter scraping, residential is necessary.
Sticky vs rotating
Sticky: same IP for an entire session. Rotating: new IP per request. Sticky looks more human (one user browsing) and is what Kavex uses by default for LinkedIn.
How Kavex uses proxies
DataImpulse residential pool at $1/GB. Sticky session per scrape job. Per-customer isolation in V2.1.
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