Proxy fundamentals

Learn what a UDP proxy is, how it works, its common use cases and limitations, and how it compares with TCP, SOCKS5, HTTP proxies, and VPNs.

Discover the realistic limits of managing multiple accounts on a single mobile proxy. Learn how to scale safely without triggering bans.

Learn why proxy providers may share datacenter subnets and ASNs, how it affects proxy performance, and what to check before buying proxies.

Learn why your residential proxies might stop functioning after two days and find expert advice to resolve any issues and maintain connectivity quickly.

Learn what a mobile proxy is, how it works through real 5G/4G/3G/LTE IPs and CGNAT, and how to use one for web scraping, ad verification, and social media management.

Learn how to design and run crawling lists for web scraping. Discover strategies for pagination, infinite scroll, tools, workflows, and scalable data collection.

Learn how websites use anti-scraping techniques to detect and block automated data collection bots, and how scrapers find solutions to bypass such defenses.

Learn what proxy ports are, how they differ from proxy addresses, and how to choose and configure different ports for your use case scenarios.

Discover the key differences between reverse proxies and load balancers to see which tool you need to use.

Understand the differences between a proxy and a firewall. Learn how they function, and which is better for security and network control.

Compare ISP and datacenter proxies, including speed, cost, detection risk, and best use cases, to choose the right solution for your needs.

Compare IP whitelisting vs credentials, set up your dev tools, and learn how to fix 407 proxy authentication errors.