Proxy Server Blog
Learn how to use proxy servers effectively with our tutorials, news, and expert advice about proxy technologies.
Proxy Glossary: Terms Every Beginner Should Know
A quick-reference glossary of proxy terminology for anyone new to using or configuring proxies.
Read moreLegal Considerations When Using Proxies
An overview of the legal gray areas around proxy use — what's generally fine and what carries real risk.
Read moreHow Many Proxies Do You Actually Need for Scraping?
A practical way to estimate proxy pool size based on request volume and target site strictness.
Read moreWhat Is Proxy Chaining?
Routing traffic through multiple proxies in sequence — how it works and why people do it.
Read moreUsing Proxies Safely on Public Wi-Fi
How proxies interact with public Wi-Fi security, and what they do and don't protect against.
Read moreCommon Proxy Error Codes Explained (407, 502, and More)
What the most frequent proxy-related HTTP error codes mean and how to resolve each one.
Read moreHow to Set a Proxy in Firefox
Step-by-step instructions for configuring a manual proxy in Firefox's network settings.
Read moreWhat Headers Does a Proxy Change or Add?
A look at the HTTP headers a proxy typically adds, modifies, or removes, and why they matter for anonymity.
Read moreMobile Proxies Explained
What mobile proxies are, how they differ from residential and datacenter proxies, and their tradeoffs.
Read moreHow to Use Proxies for Automated Testing (QA)
Why QA teams use proxies to test geo-specific behavior and simulate different network conditions.
Read moreWhat Is a CAPTCHA and Why Proxies Trigger It
Why using a proxy — especially a free one — increases the chance of hitting a CAPTCHA challenge.
Read moreTroubleshooting: Proxy Connected But No Internet
Common causes when a proxy appears configured correctly but nothing loads, and how to fix each one.
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