Web Scraping 8 min read Updated January 5, 2026
Web Scraping Best Practices
Reduce blocks, avoid bans, and keep data quality high with a proven scraping playbook.
Core principles
- Respect rate limits and avoid spikes
- Rotate IPs and user agents
- Cache responses when possible
Anti-detection techniques
- Randomized delays
- Realistic headers
- Session persistence for logins
- CAPTCHA handling
Data quality tips
- Validate HTML responses
- Detect block pages
- Retry with backoff
- Store raw HTML for debugging
Legal and ethical note
Always comply with target site terms and regional regulations.
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