Bot intelligence record
YandexAdditionalBot
Review firstYandexAdditionalBot is a search crawler from Yandex used for search indexing, URL discovery, page rendering, result freshness; it appears in server logs as `YandexAdditionalBot`.
User-Agent Pattern
YandexYandexAdditionalBot
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
Click snippet to copyUser-agent: YandexAdditionalBot
Disallow: /Click the snippet to copy it, or highlight the text manually.
Handling Guidance
DependsUse this record as bot intelligence, then verify the request source and behavior before allowing, blocking, or rate limiting.
YandexAdditionalBot 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 YandexAdditionalBot by matching `YandexAdditionalBot` to Yandex evidence, then checking reverse DNS, source-network ownership, signed request data, or published crawler documentation when available.
- Spoofing risk
- YandexAdditionalBot has medium spoofing risk because the user-agent can be copied, even when the bot has strong source or documentation support.
Notes
- YandexAdditionalBot 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
YandexAdditionalBot; related patterns includeYandexAdditionalBot Yandex robot; a representative HTTP user-agent isMozilla/5.0 (compatible; YandexAdditionalBot/1.0; +http://yandex.com/bots). - YandexAdditionalBot is verified with High confidence. The identity type is Official Documented, and the evidence basis is official operator documentation.
- YandexAdditionalBot is marked as respecting robots.txt directives for crawler access control.
- YandexAdditionalBot should be reviewed against site policy, source evidence, crawl rate, and requested paths before a permanent allow or block rule is created.
Evidence and Source
- Verify YandexAdditionalBot by matching `YandexAdditionalBot` to Yandex evidence, then checking reverse DNS, source-network ownership, signed request data, or published crawler documentation when available.
- YandexAdditionalBot traffic is primarily detected by the `YandexAdditionalBot` user-agent pattern; related patterns include `YandexAdditionalBot Yandex robot`; a representative HTTP user-agent is `Mozilla/5.0 (compatible; YandexAdditionalBot/1.0; +http://yandex.com/bots)`. Compare source IPs, reverse DNS, request paths, and crawl cadence with Yandex infrastructure before trusting the traffic.
- YandexAdditionalBot is used for search indexing, URL discovery, page rendering, result freshness, and search-quality checks.
- YandexAdditionalBot has medium spoofing risk because the user-agent can be copied, even when the bot has strong source or documentation support.
https://yandex.com/support/webmaster/en/robot-workings/check-yandex-robots
Monitor This Bot In Edge
Botcrawl EdgeUse Botcrawl Edge to see matching traffic, create allow or block rules, and control this bot across connected sites.