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Tips on residential proxies, web scraping & security
Designing Crawler Egress: NAT Gateways, Proxy Pools and Per-Worker IPs
A crawler that runs clean on a laptop often collapses the moment it moves to the cloud, because all two hundred workers now leave from one address. This post walks the five egress topologies, shared NAT, per-worker public IPs, a self-run proxy tier, a commercial pool, and multi-region, with what the target sees, what each costs, and which job each one suits.
September 25, 2026 · 7 min read
Access Challenges
reCAPTCHA v2, v3 and Enterprise: How Google Scores a Visitor
Sep 23, 2026 · 8 min read
Access Challenges
How DataDome Works: Real-Time Scoring at the Edge
Sep 21, 2026 · 9 min read
Scraping Techniques
Screen, Viewport and devicePixelRatio: The Geometry That Does Not Add Up
Sep 16, 2026 · 7 min read
Scraping Techniques
Timezone, Locale and Your Exit IP: The Cheapest Contradiction to Ship
Sep 15, 2026 · 7 min read
Coding Tutorials
Monitor website changes in Python without false alerts
Sep 14, 2026 · 41 min read
Scraping Techniques
Sec-CH-UA, User-Agent and navigator: Three Places You Declare the Same Identity
Sep 11, 2026 · 7 min read
Scraping Techniques
navigator.webdriver and the Traces a Driven Browser Leaves
Sep 8, 2026 · 7 min read
hiQ Labs v. LinkedIn: What the Case Actually Settled About Public Data
Sep 7, 2026 · 7 min read
Proxy Fundamentals
Pay Per Crawl and the Licensed Web: When Access Becomes a Transaction
Aug 26, 2026 · 8 min read
Proxy Fundamentals
Web Bot Auth: Cryptographic Identity for Crawlers and AI Agents
Aug 24, 2026 · 8 min read
Network Performance
Self-Hosted n8n: What Changes When Your Workflows Have One IP Address
Aug 21, 2026 · 9 min read
Scraping Techniques
n8n Web Scraping: Which Node, Which Mode, and What It Costs
Aug 21, 2026 · 10 min read