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Glossary

The proxy & privacy glossary

Clear definitions for the terms you'll meet across proxies, VPNs and antidetect browsers.

Antidetect Browser

A browser that creates isolated profiles, each with its own consistent fake fingerprint, cookies and storage — letting one machine operate many distinct online identities.

Beginner

Browser Fingerprinting

A tracking technique that identifies you by the unique combination of your device's traits — screen, fonts, GPU, time zone — even with cookies off and IP changed.

Intermediate

Datacenter Proxy

A proxy hosted on commercial server infrastructure. Fast and cheap, but its IP ranges are easy for websites to recognize and block.

Beginner

ISP Proxy

A static IP registered to a consumer ISP but hosted on fast datacenter hardware — residential-grade trust with server-grade speed and stability.

Intermediate

Kill Switch

A VPN safety feature that instantly blocks all internet traffic if the encrypted tunnel drops, so your real IP and activity are never exposed even for a second.

Beginner

Mobile Proxy

A proxy that routes traffic through real 4G/5G cellular connections. The hardest proxy type to block, because carriers share one IP across many real users.

Intermediate

No-Logs Policy

A VPN provider's promise not to record what you do through its servers — ideally proven by independent audits and real-world legal tests, not just marketing.

Beginner

Residential Proxy

A proxy that routes your traffic through a real home internet connection, making requests look like they come from an ordinary person rather than a server.

Beginner

Rotating Proxy

A proxy setup that automatically assigns a different IP from a pool for every request or at set intervals, spreading traffic across many identities.

Beginner

SOCKS5 Proxy

A protocol-agnostic proxy standard that forwards any TCP or UDP traffic — not just web requests — with optional authentication and no payload rewriting.

Intermediate

Sticky Session

A rotating-proxy mode that pins one exit IP to your connection for a set period — long enough to log in, fill a cart, or finish a multi-step task.

Intermediate

Web Scraping

The automated extraction of data from websites at scale — the engine behind price intelligence, SEO tools, market research and most AI training corpora.

Beginner