Proxy engineering guides
Rotation, sessions, geo-targeting and block handling, written for the engineer who owns the pipeline.
Guides
Geo-targeting proxies: how to verify country and city
How geo-targeting proxies work, why IP geolocation databases disagree, and a tested Python script that checks the exit country against two sources.
· 9 min read
Guides
Proxy monitoring in production: success rate, latency and cost
Proxy monitoring that holds up in production: which metrics to track, Prometheus instrumentation in Python, alert rules, dashboards, and SLA evidence.
· 9 min read
Guides
How to reduce proxy bandwidth (and your per-GB bill)
Reduce proxy bandwidth without losing data: measure bytes per page, block heavy assets in Playwright and Puppeteer, compress, cache, and cap retries.
· 8 min read
Guides
SOCKS5 vs HTTP proxy: which to use
SOCKS5 vs HTTP proxy compared: how each protocol works, where DNS is resolved, UDP support, real performance costs, client support, and a rule for choosing.
· 9 min read
Guides
Proxy 429 and 403 errors: causes and fixes
How to diagnose a proxy 429 or 403: tell gateway errors from target blocks, retry with backoff that honors Retry-After, and know when to slow down or rotate.
· 9 min read
Guides
Rotating vs sticky proxies: choosing a session strategy
Rotating vs sticky proxies explained: which flows need a stable exit IP, how long a session should last, and patterns for managing sticky sessions in code.
· 9 min read
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