Proxy Basic

Understanding Datacenter Proxy Pricing Models in 2026

Datacenter proxies average $0.70/GB at 100 GB, 7x cheaper than residential. Comp...

Concurrent Connections in Proxies: What They Are and Wh...

Concurrent connections determine how many requests your proxy handles in paralle...

What Is IP Blacklisting and How to Avoid It

IP blacklisting blocks specific IP addresses from accessing a server. Learn how ...

What Is IP Reputation and Why It Matters? (2026)

IP reputation is a trust score assigned to every IP based on traffic history. Se...

Proxy Ports Explained: 80, 443, 8080, and Common Numbers

A proxy port is the network address component that directs traffic to the right ...

Proxy Headers Explained: X-Forwarded-For and More

Learn how HTTP proxy headers like X-Forwarded-For work, why RFC 7239's Forwarded...

Proxy Anonymity Levels: Elite, Anonymous, and Transparent

Proxy anonymity has three levels based on which headers reach the destination. L...

What Is Proxy Rotation and How Does It Work?

Proxy rotation cycles IPs across requests so no single address hits a rate limit...

What Is IP Whitelisting for Proxies?

IP whitelisting grants proxy access by source IP—no credentials needed in code. ...

What Is a SERP Scraping Proxy and How Does It Work

SERP scraping proxies route search queries through rotating IPs to bypass blocks...

What Is a Proxy Pool? How It Works and What Makes One Good

A proxy pool is a rotating set of IPs used to distribute requests and avoid bloc...

What Are Subnet Proxies? CIDR Blocks and Subnet Bans Guide

Subnet proxies share a /24 CIDR block. One subnet ban removes 256 IPs. Learn why...

Anonymous Proxy: What It Is, How It Works, and Its Limits

An anonymous proxy hides your IP address from target servers but does not make y...

Understanding Proxy Protocols: HTTP, HTTPS, and SOCKS5

HTTP, HTTPS, and SOCKS5 proxies handle traffic at different protocol layers. Lea...

Shared vs Dedicated Datacenter Proxies: Which to Choose?

62% of blocked scraping sessions are caused by shared pool IP contamination. Lea...

How Proxies and VPNs Handle Encryption Differently (2026)

98.6% of web traffic is already HTTPS, yet proxies and VPNs encrypt data in fund...