
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.

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.

Scrape JavaScript-rendered content with headless browsers and proxies. Puppeteer, Playwright, and chromedp setup guides with performance optimization and API interception strategies.

Learn to scrape product reviews from Amazon and other platforms at scale. Python and Node.js code for multi-platform review collection, pagination handling, and sentiment analysis preparation.

Learn how to scrape Google Maps for business data including names, addresses, ratings, and reviews. Covers API vs scraping comparison, proxy strategies, and code examples in Python and Node.js.

CAPTCHA types, prevention strategies that are more effective than solving, and the critical role of proxies in CAPTCHA avoidance. Code examples for detection and routing.

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.

Step-by-step guide to configuring Puppeteer and Playwright with proxy rotation, stealth plugins, device emulation, and concurrent scraping patterns using residential proxies.

Architecture patterns for scaling web scraping: queue-based systems, pipeline design, horizontal scaling with containers, and proxy management at scale. Code in Python, Node.js, and Go.

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.

How rate limits work, how sites detect scrapers, and practical strategies to stay under limits. Includes adaptive throttling code and distributed rate limiting patterns.

Design and build a production-grade proxy middleware layer with retry logic, failover, and metrics. Complete implementations in Python and Node.js using ProxyHat.

Learn how to scrape Shopify store data using JSON API endpoints and residential proxies. Complete Python and Node.js code for extracting products, prices, and inventory data.