Yandex
Search Engineby Yandex
YandexBot
Yandex's primary search crawler. Yandex is the dominant search engine in Russia and has significant market share in Eastern Europe and CIS countries. It has its own set of SEO factors and ranking signals.
Respects robots.txt
Yes
Can be blocked
Yes
Crawl-Delay support
Yes
Type
Search Engine
Purpose
Yandex Search indexing (dominant in Russia, CIS countries)
SEO Impact
Critical for Russian-language SEO and CIS market targeting. Yandex supports its own structured data formats and meta tags in addition to standard ones.
User-Agent String
Mozilla/5.0 (compatible; YandexBot/3.0; +http://yandex.com/bots)
robots.txt Control
Add "User-agent: Yandexbot" with "Disallow: /" in robots.txt. Yandex also supports Crawl-Delay.
Block
User-agent: YandexBot Disallow: /
Allow (default)
User-agent: YandexBot Allow: /
Official Documentation
Test your robots.txt against YandexBot
Check which paths are blocked or allowed for each user-agent