Proxy Knowledge Base
Practical guides on proxy selection, authentication, session handling, and responsible data collection. Written for engineers and analysts who need reliable results, not marketing claims.
Building a Polite Web Scraper: Rate Limits, Retries, and Backoff
How to choose concurrency limits, implement exponential backoff with jitter, respect Retry-After, and keep collection reliable without harming the target.
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Proxy Targeting: Country, City, and ISP Selection Explained
How geo-targeting works through a proxy, where accuracy breaks down, and how to verify that your request actually exits where you intended.
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Residential vs Datacenter Proxies: How to Choose for Your Workload
A practical comparison of residential and datacenter proxies covering IP origin, detection risk, speed, cost, and the workloads each type suits best.
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HTTP Status Codes You Will See Through a Proxy
What 403, 407, 429, 502, and 504 actually mean when a proxy is in the path, and the first thing to check for each one.
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How to Test a Proxy List Before You Use It
A repeatable checklist for validating proxy connectivity, latency, anonymity, geolocation, and stability before adding a list to production.
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Proxy Authentication Methods Explained
Username and password, IP whitelisting, and header-based targeting: how each method works, when to use it, and how to keep credentials out of logs.
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Rotating vs Sticky Sessions: Choosing the Right Proxy Behaviour
When to rotate the outbound IP on every request, when to keep a sticky session, and how session length affects success rates and data consistency.
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Mobile Proxies for Ad Verification: What to Check
Why mobile carrier IPs matter for ad verification, how to design a test plan, and which evidence to capture so findings are defensible.
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