Node.js Scraping with Cheerio & Proxies: A Code-First Guide
Build production-grade scrapers with Cheerio and axios. Covers proxy rotation as an interceptor, concurrency with p-limit, error handling for 403/429, and a full 10k-URL scraping pipeline.
Developer Guides
Selenium Proxy Auth & Stealth: A Code-First Guide for Scraping Engineers
Master authenticated proxies in Selenium with selenium-wire, Firefox profiles, stealth plugins, rotating IP pools, and containerized Grid fleets — with full code samples.
The Complete Guide to Puppeteer-Extra Stealth with Proxies
Build undetectable Puppeteer crawlers by combining puppeteer-extra stealth plugin with residential proxy rotation. Covers fingerprint randomization, per-context proxies, and fleet scaling.
Scrapy Proxy Middleware: A Code-First Guide to Residential Proxy Rotation
Build production-grade Scrapy proxy rotation with custom downloader middleware, retry logic, headless browser integration, and per-IP monitoring. Full code examples included.
Using HTTP Proxies in Rust: reqwest, hyper, and Rotating Proxy Pools
A code-first guide to configuring HTTP proxies in Rust with reqwest, hyper, tokio concurrency, rotating proxy pools, TLS options, and production-ready error handling.
C# HTTP Proxy Guide: HttpClient, Rotation & TLS in .NET 8
Learn to configure C# HTTP proxies with .NET 8 HttpClient. Master rotation, Polly retries, parallel scraping, and TLS certificate pinning with production-ready code examples.
Using HTTP Proxies in PHP: A Complete Code-First Guide for cURL, Guzzle, Symfony, and Laravel
Learn how to configure HTTP proxies in PHP using raw cURL, Guzzle, Symfony HTTP Client, and Laravel. Includes concurrent scraping, TLS/SSL handling, and production-ready code examples.
Using HTTP Proxies in Java: HttpClient, OkHttp, Jsoup & More
A code-first guide to configuring HTTP proxies in Java 17+. Covers Java 11+ HttpClient, OkHttp, Jsoup, Apache HttpClient, connection pooling, TLS, and parallel scraping with residential proxy pools.
The Complete Guide to Using HTTP Proxies in Ruby: Net::HTTP, Typhoeus, and ProxyHat SDK
A code-first guide to HTTP proxies in Ruby covering Net::HTTP, Typhoeus parallel requests, ProxyHat SDK with geo-targeting, and Rails integration patterns for production scraping pipelines.
Designing a Reliable Scraping Architecture
Design an end-to-end scraping system: scheduler, URL queue, crawler pool, proxy layer, parser, storage, and monitoring. Production-ready Python code with architecture diagrams.
Monitoring Proxy Performance: Latency, Success Rate, and Alerts
Learn how to instrument, monitor, and alert on proxy performance — track latency percentiles, success rates, error patterns, and bandwidth. Code examples in Python, Node.js, and Go.
Scaling Proxy Requests with Concurrency Control
Master concurrency patterns for proxy-based scraping: asyncio semaphores, Promise pools, Go worker pools, rate limiters, and backpressure. Production code in Python, Node.js, and Go.