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Glossary of proxy and scraping terms

Industry jargon explained in plain English: residential, ASN, fingerprint, KYC, sticky session, CGN, JA3, anti-detect and ~50 more. Useful for newcomers and for anyone talking to a provider's support team.

# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

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A

Akamai

Akamai Bot Manager protection

One of the strictest anti-bot systems out there. Protects banking, corporate sites and parts of e-commerce. Even premium residential typically delivers a 65-80% success rate against Akamai.

Anti-bot

antibot system protection

Software systems that detect automated traffic: Cloudflare, Akamai, PerimeterX, Datadome, Imperva. They analyse headers, fingerprints, TLS handshakes, behavioural patterns. The harsher the anti-bot, the more expensive the proxy you need (residential/mobile instead of datacenter).

ASN

Autonomous System Number network

A unique identifier for a network on the internet (e.g. AS16509 for Amazon AWS, AS6939 for Hurricane Electric). Anti-bot systems look at the ASN of an IP: if it belongs to a data centre, that's a bot signal. Residential ASNs (Comcast, Vodafone, BT) look natural.

B

Backconnect proxy

type

An entry-point proxy that automatically routes your traffic through a rotating pool of IP addresses. The standard for residential: you connect to gate.provider.com:7777 and traffic exits from many different IPs.

Bandwidth

billing

The volume of data transferred through a proxy. Measured in GB. Most residential providers bill per gigabyte ($1-10/GB); mobile dedicated ports usually bill per port without a bandwidth cap.

C

Concurrent connections

technical

Number of simultaneous connections through a single proxy port. Limits are typically 50-200 on residential, 10-100 on mobile. Going over results in throttling or timeouts.

D

Datadome

protection

One of the toughest anti-bot services — focuses on TLS fingerprinting (JA3) and behavioural analysis. Even premium residential delivers 50-80% success rate.

I

ISP proxy

Static residential type

A residential and datacenter hybrid: IPs belong to real ISPs but are hosted in data centres. Fast like datacenter, looks like residential. Sold per IP rather than per GB.

L

Latency

performance

Delay from request to response through a proxy. Datacenter: 20-80ms, ISP: 50-150ms, residential: 100-500ms, mobile: 200-1000ms.

R

Residential proxy