Proxies in your stack
Copy-paste configuration for the libraries and browsers that do the actual work, with the authentication quirks each one hides. Where a tool has a known gap — Chromium ignoring credentials in the proxy URL, for instance — the guide says so instead of pretending the one-liner is enough.
4 articles
Proxies in Python requests: Sessions, Rotation and the Mistakes That Cost Hours
The proxies dict takes thirty seconds to write and then behaves in four surprising ways. Sessions, encoding, SOCKS DNS and retries are where the hours actually go.
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Playwright Proxies: Authentication, Per-Context Rotation and Real Geo Testing
One browser, many identities: set the proxy per context, keep locale and timezone honest, and stop leaking the fact that your headless Chrome is headless.
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Puppeteer Proxies: Why Chromium Ignores Your Password, and What to Do About It
The most-searched Puppeteer proxy problem has a one-line answer and three architectural consequences nobody mentions.
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Scrapy Proxies: Middleware, Rotation and Retry Logic That Holds Up
Scrapy's concurrency is the reason it gets blocked. Middleware for identity, AutoThrottle for pacing, and retries that know which errors are worth repeating.
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