What Is DNS and How DNS Leaks Break Proxy Anonymity
An in-depth look at the Domain Name System, its role in internet communication, and how misconfigured proxies can leak DNS queries, exposing your real IP address even when using a proxy.
Guides, tutorials and news about proxies, anonymity and web scraping.
An in-depth look at the Domain Name System, its role in internet communication, and how misconfigured proxies can leak DNS queries, exposing your real IP address even when using a proxy.
A thorough guide to HTTP covering the request-response cycle, message structure, methods, status codes, cookies, protocol versions, and HTTPS. Understand how HTTP powers web scraping and how proxies interact with it.
Learn what an API is, common architectures like REST and GraphQL, authentication methods, rate limits, and how API-based data extraction compares to traditional HTML scraping in terms of reliability, structure, legality, and cost.
Learn how to configure proxies in Python Requests, including authentication, SOCKS5, environment variables, and advanced IP rotation with retry logic for resilient web scraping.
Understand the three proxy anonymity levels—transparent, anonymous, and elite—how HTTP headers reveal or conceal your real IP, and which level you need for scraping, privacy, or security work.
A practical guide to building a Google SERP scraper with Python, covering result parsing, pagination, and robust anti-bot techniques including proxy rotation and User-Agent management.
Understand the architectural differences, encryption, routing, performance, and trust considerations between VPNs and proxies to choose the right tool for your specific use case.
We've launched an embeddable widget that brings the full power of our proxy checker to any site with a single script tag. Responsive, secure, and customisable, it supports batch checking and real-time results via safe iframe communication.
A comprehensive guide to CGI (web-based) proxies: their history, how they rewrite URLs and mask your IP, common use cases, and the security risks compared to SOCKS/HTTP proxies.
From free public lists to self-hosted and paid services, this guide covers every way to obtain a proxy server with honest trade-offs for privacy, reliability, and cost.
An in-depth guide to using proxies for SEO tasks including localised rank tracking, large-scale competitor research, and ad verification. Learn which proxy types work best and how to configure them ethically.
Learn why websites block scrapers, how proxies prevent IP bans, the differences between residential and datacenter proxies, rotating vs sticky, and essential practices like setting headers and respecting robots.txt.