Bot intelligence record

YandexAccessibilityBot

Usually allow

YandexAccessibilityBot is a search crawler from Yandex used for search indexing, URL discovery, page rendering, result freshness; it appears in server logs as `YandexAccessibilityBot`.

Search Indexing Official Documented Confidence: High Verified: Yes robots.txt: Yes
Operator
Yandex
Family
Yandex
Type
Search
Source type
Official
Last checked
2026-06-23

User-Agent Pattern

Yandex
YandexAccessibilityBot
Verification note

User-agent strings are identification signals, not proof of identity. Confirm important allow, block, or rate-limit decisions with logs, DNS or IP evidence, request behavior, or operator documentation when available.

Robots.txt Snippet

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User-agent: YandexAccessibilityBot
Disallow: /

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Handling Guidance

Depends

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

YandexAccessibilityBot is used for search indexing, URL discovery, page rendering, result freshness, and search-quality checks.

Record Details

Structured data
Operator
Yandex
Family
Yandex
Type
Search
Purpose
Indexing
Identity type
Official Documented
Confidence
High
Last verified
2026-06-23
Last checked
2026-06-23
Source type
Official
Verification
Verify YandexAccessibilityBot by matching `YandexAccessibilityBot` to Yandex evidence, then checking reverse DNS, source-network ownership, signed request data, or published crawler documentation when available.
Spoofing risk
YandexAccessibilityBot has medium spoofing risk because the user-agent can be copied, even when the bot has strong source or documentation support.

Notes

  • YandexAccessibilityBot is a search crawler from Yandex used for search indexing, URL discovery, page rendering, result freshness, and search-quality checks.
  • Its primary user-agent pattern is YandexAccessibilityBot; related patterns include Yandex accessibility checker; a representative HTTP user-agent is Mozilla/5.0 (compatible; YandexAccessibilityBot/3.0; +http://yandex.com/bots).
  • YandexAccessibilityBot is verified with High confidence. The identity type is Official Documented, and the evidence basis is official operator documentation.
  • YandexAccessibilityBot is marked as respecting robots.txt directives for crawler access control.
  • YandexAccessibilityBot can usually be allowed after confirming the source and monitoring request volume.

Evidence and Source

  • Verify YandexAccessibilityBot by matching `YandexAccessibilityBot` to Yandex evidence, then checking reverse DNS, source-network ownership, signed request data, or published crawler documentation when available.
  • YandexAccessibilityBot traffic is primarily detected by the `YandexAccessibilityBot` user-agent pattern; related patterns include `Yandex accessibility checker`; a representative HTTP user-agent is `Mozilla/5.0 (compatible; YandexAccessibilityBot/3.0; +http://yandex.com/bots)`. Compare source IPs, reverse DNS, request paths, and crawl cadence with Yandex infrastructure before trusting the traffic.
  • YandexAccessibilityBot is used for search indexing, URL discovery, page rendering, result freshness, and search-quality checks.
  • YandexAccessibilityBot has medium spoofing risk because the user-agent can be copied, even when the bot has strong source or documentation support.

Monitor This Bot In Edge

Botcrawl Edge

Use Botcrawl Edge to see matching traffic, create allow or block rules, and control this bot across connected sites.