Tagged: CPSR3 articles

scrapy-middleware-optimization-for-large-proxy-pools
Developer Guides & Automation

Scrapy Middleware Optimization for Large Proxy Pools

Learn how to optimize Scrapy middleware for large proxy pools using smarter routing, health scoring, retry classification, concurrency balancing, and session management. This guide explains practical middleware strategies that reduce block rates, improve scraper stability, lower CPSR, and help large-scale scraping systems scale more efficiently.

Sophia Tran10 min readJun 13, 2026
scraper-production-issues
Proxy Failures & Debugging

Scraper Stability: Dev vs Production Proxy Differences

Why scrapers succeed in development but fail in production, how proxies behave differently at scale, and how to create stable routes, rotations, and metrics that minimize failures and costs.

Daniel Mercer6 min readMay 17, 2026
residential-vs-datacenter-proxies-for-web-scraping
Proxy Architecture & Fundamentals

Residential vs Datacenter Proxies for Web Scraping: Which One Lowers CPSR?

A practical, production-grade guide to choosing between residential and datacenter proxies to reduce cost per successful request (CPSR). Learn how target difficulty, session strategy, and rotation affect block rates, throughput, and your bottom line.

Jonathan Reed11 min readFeb 20, 2026