☁️ Cloud & Infrastructure

Your Scraper Hit 187 Pages — Then Robots.txt Woke Up Mad

Scraped 300 electronics pages for a price tracker. Hit page 188, dead silence. Robots.txt changed overnight, serving 403s. Fun times.

Code snippet of RobotChecker class preventing mid-scrape robots.txt ban

⚡ Key Takeaways

  • Refresh robots.txt every 5 minutes in long scrapers to catch mid-run blocks
  • Small ecommerce sites dynamically ban via robots.txt on traffic spikes — proxies cost extra
  • Ignore tutorials skipping periodic checks; they're setting you up for IP bans
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Originally reported by dev.to

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