Bot intelligence record
YandexImageResizer
Usually allowYandexImageResizer is a search crawler from Yandex used for search indexing, URL discovery, page rendering, result freshness; it appears in server logs as `YandexImageResizer`.
User-Agent Pattern
YandexYandexImageResizer
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: YandexImageResizer
Disallow: /Click the snippet to copy it, or highlight the text manually.
Handling Guidance
DependsThis bot is usually safe to allow when the request source is verified and the traffic matches your site policy.
YandexImageResizer 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
- 2026-04-29
- Last checked
- 2026-05-20
- Source type
- Official
- Verification
- Verify YandexImageResizer by matching `YandexImageResizer` to Yandex evidence, then checking reverse DNS, source-network ownership, signed request data, or published crawler documentation when available.
- Spoofing risk
- YandexImageResizer has medium spoofing risk because the user-agent can be copied, even when the bot has strong source or documentation support.
Notes
- YandexImageResizer 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
YandexImageResizer; related patterns includeYandexImageResizer Yandex robot; a representative HTTP user-agent isMozilla/5.0 (compatible; YandexImageResizer/1.0; +http://yandex.com/bots). - YandexImageResizer is verified with High confidence. The identity type is Official Documented, and the evidence basis is official operator documentation.
- YandexImageResizer is marked as respecting robots.txt directives for crawler access control.
- YandexImageResizer can usually be allowed after confirming the source and monitoring request volume.
Evidence and Source
- Verify YandexImageResizer by matching `YandexImageResizer` to Yandex evidence, then checking reverse DNS, source-network ownership, signed request data, or published crawler documentation when available.
- YandexImageResizer traffic is primarily detected by the `YandexImageResizer` user-agent pattern; related patterns include `YandexImageResizer Yandex robot`; a representative HTTP user-agent is `Mozilla/5.0 (compatible; YandexImageResizer/1.0; +http://yandex.com/bots)`. Compare source IPs, reverse DNS, request paths, and crawl cadence with Yandex infrastructure before trusting the traffic.
- YandexImageResizer is used for search indexing, URL discovery, page rendering, result freshness, and search-quality checks.
- YandexImageResizer 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
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