Proxy quality should be evaluated against real workloads rather than headline pool size. Test them under controlled conditions, segment the results by target and region, and prioritize the failures that directly affect business output.
Three criteria defining the top purity tier for native static residential IPs—direct ISP issuance, AS-geo consistency, and cross-database residential tagging—with a five-tier hierarchy for benchmarking.
Choosing the right HTTP proxy authentication method isn't just a connection detail — it shapes your integration flexibility, ops cost, and team-level access control.