Bot intelligence record

YandexWebmaster

Usually allow

Use the YandexWebmaster identifier to separate Yandex search indexing or content discovery traffic from normal visitor requests in server logs.

Search Indexing Official Documented Confidence: High Verified: Yes robots.txt: Yes

User-Agent Pattern

Yandex
YandexWebmaster

Robots.txt Snippet

Copy-ready 
User-agent: YandexWebmaster Disallow: /

Handling Guidance

Depends

This bot is usually safe to allow when the request source is verified and the traffic matches your site policy.

Search indexing, content discovery, rendering, or search-result freshness checks.

Record Details

Structured data
Operator
Yandex
Family
Yandex
Type
Search
Purpose
Indexing
Identity type
Official Documented
Confidence
High
Last verified
2026-04-29
Last checked
2026-04-30
Source type
Official
Spoofing risk
Yandex user-agent strings are often spoofed. Verify the source host with reverse DNS and forward DNS before allow-listing.

Notes

YandexWebmaster is listed in the Botcrawl directory as a search crawler from Yandex. The primary identifier for log review is YandexWebmaster.

Identification

  • User-agent pattern: YandexWebmaster
  • Family: Yandex
  • Type: Search
  • Kind: Fetcher

Common use

Search indexing, content discovery, rendering, or search-result freshness checks.

Verification and handling

Verify with reverse DNS and forward DNS checks; valid Yandex hosts end in yandex.ru, yandex.net, or yandex.com.

Directory guidance marks the risk level as Safe and the blocking decision as Depends. Do not rely on the user-agent string alone because user-agent strings can be copied or spoofed.

Robots.txt handling: Yes.

Evidence and Source

  • Verify with reverse DNS and forward DNS checks; valid Yandex hosts end in yandex.ru, yandex.net, or yandex.com.
  • Search indexing, content discovery, rendering, or search-result freshness checks.
  • Yandex user-agent strings are often spoofed. Verify the source host with reverse DNS and forward DNS before allow-listing.

https://yandex.com/support/webmaster/en/robot-workings/check-yandex-robots

Same family: Yandex

YandexVideoParser Safe

YandexVideoParser

YandexVideoParser is a search crawler from Yandex used for search indexing, page discovery, or content rendering.

Yandex Yandex Search Indexing
Verified robots.txt: No Block: Depends Official Documented
YandexSpravBot Safe

YandexSpravBot

YandexSpravBot is a search crawler from Yandex used for search indexing, page discovery, or content rendering.

Yandex Yandex Search Indexing
Verified robots.txt: Yes Block: Depends Official Documented
YandexTracker Safe

YandexTracker

YandexTracker is a monitoring bot from Yandex used to check website availability, performance, or page health.

Yandex Yandex Monitoring Monitoring
Verified robots.txt: No Block: Depends Official Documented
YandexVerticals Safe

YandexVerticals

YandexVerticals is a search crawler from Yandex used for search indexing, page discovery, or content rendering.

Yandex Yandex Search Indexing
Verified robots.txt: Yes Block: Depends Official Documented

Same operator: Yandex

YandexUserproxy Safe

YandexUserproxy

YandexUserproxy is a search crawler from Yandex used for search indexing, page discovery, or content rendering.

Yandex Yandex Search Search
Verified robots.txt: No Block: Depends Official Documented
YandexVertis Safe

YandexVertis

YandexVertis is a search crawler from Yandex used for search indexing, page discovery, or content rendering.

Yandex Yandex Search Indexing
Verified robots.txt: Yes Block: Depends Official Documented
YandexRCA Safe

YandexRCA

YandexRCA is a search crawler from Yandex used for search indexing, page discovery, or content rendering.

Yandex Yandex Search Indexing
Verified robots.txt: No Block: Depends Official Documented
YandexRenderResourcesBot Safe

YandexRenderResourcesBot

YandexRenderResourcesBot is a search crawler from Yandex used for search indexing, page discovery, or content rendering.

Yandex Yandex Search Indexing
Verified robots.txt: No Block: Depends Official Documented

Similar purpose: Indexing

YandexOntoDB Safe

YandexOntoDB

YandexOntoDB is a search crawler from Yandex used for search indexing, page discovery, or content rendering.

Yandex Yandex Search Indexing
Verified robots.txt: Yes Block: Depends Official Documented
YandexOntoDBAPI Safe

YandexOntoDBAPI

YandexOntoDBAPI is a search crawler from Yandex used for search indexing, page discovery, or content rendering.

Yandex Yandex Search Indexing
Verified robots.txt: No Block: Depends Official Documented
YandexPagechecker Safe

YandexPagechecker

YandexPagechecker is a search crawler from Yandex used for search indexing, page discovery, or content rendering.

Yandex Yandex Search Indexing
Verified robots.txt: Yes Block: Depends Official Documented
YandexPartner Safe

YandexPartner

YandexPartner is a search crawler from Yandex used for search indexing, page discovery, or content rendering.

Yandex Yandex Search Indexing
Verified robots.txt: No Block: Depends Official Documented

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