What is YandexBot?
Direct Answer: The main indexing robot for Yandex search.
Operator: Yandex Purpose: Unknown
User-Agent Identification
The following user-agent strings identify YandexBot in your server logs:
Mozilla/5.0 (compatible; YandexBot/3.0; +http://yandex.com/bots)
robots.txt Rules for YandexBot
Respects robots.txt: No
Use the following robots.txt rules to control YandexBot access:
# Block YandexBot
User-agent: YandexBot
Disallow: /
# Allow YandexBot
User-agent: YandexBot
Allow: /Crawl Behavior
Request Pattern: Not Documented
Log Verification
To verify YandexBot traffic in your server logs:
- Search access logs for the user-agent strings listed above
- Check if the IP addresses match documented ranges (if provided by Yandex)
- Verify the crawl pattern matches documented behavior
- Use reverse DNS lookup for additional verification if available
Note: Observed behavior in production environments may differ from official documentation. Log-based monitoring provides the only reliable verification of actual bot behavior.
Missing Information
The following information is not officially documented for YandexBot:
- Request behavior
- Crawl frequency
- IP ranges
Official Documentation
View Official YandexBot Documentation →
Information extracted on February 2, 2026 from official sources.