How do AI agents browse websites without getting blocked?

AI agents usually avoid blocks by behaving more like legitimate users and by respecting site policies. Common approaches include:

1. Use official APIs when available
   This is the safest and most reliable route. Many sites offer APIs specifically for automated access.

2. Rate limiting and pacing
   Agents make fewer requests, add delays, and avoid bursty traffic patterns that look abusive.

3. Respect robots.txt and terms of service
   Well-behaved crawlers check a site’s rules and only access allowed content.

4. Session management and login handling
   If content requires authentication, agents may use normal login flows and keep cookies/session tokens properly.

5. Human-like browsing behavior
   Some agents navigate pages, wait for loads, and interact with pages through a browser instead of hammering endpoints directly.

6. IP reputation and network hygiene
   Legitimate systems use stable infrastructure and avoid patterns associated with abuse. Some sites are sensitive to datacenter traffic, so agents may need enterprise-approved access or whitelisting.

7. Caching and deduplication
   Reusing fetched content reduces load and the chance of triggering defenses.

8. Headless browser automation with care
   Tools like Playwright or Selenium can render pages, but agents should still avoid aggressive scraping and excessive concurrency.

9. Partnering with the site owner
   For large-scale or important use cases, getting explicit permission or an allowlist is often the best solution.

If you want, I can also explain how websites detect bots or how to build a compliant web-browsing agent.