Yandex
YandexBot
Indexes pages for Yandex Search.
Web searchAd review
YandexDirect
Retrieves advertising-partner page content.
Operated by Yandex
See your agent traffic PurposeAd review
HTTP identifierYandexDirect
IdentityVerify beyond the name
THE SIGNAL
What this visit tells you
Requests may support ad-context analysis.
Landing-page responses
Redirect chains
Failed checks
Your next move
Inspect ad-enabled landing pages and intended crawler access.
The technical details
MarkdownHow to identify it
Look for the YandexDirect identifier in a request’s User-Agent. This is a name match, not identity verification. Version strings may change.
How to check identity
Confirm reverse DNS under yandex.ru, yandex.net or yandex.com, then resolve that hostname back to the original request IP.
Access and robots.txt
General wildcard robots.txt rules may be ignored. Yandex documents named-client Disallow rules for these crawlers; site-specific agreements can create exceptions.
Optional full-site opt-out. Merge with existing rules only if intended. robots.txt does not secure private content.
User-agent: YandexDirect
Disallow: /Seeing 403 or 404 responses?
403 means access was denied; 404 means the resource was not found. Compare the public path, request time, edge security event and origin response to find the cause.
Separate intended restrictions and secret-file probes from pages that should work. A User-Agent name alone does not justify allowing a request.
SourcesReviewed 2026-09-14
Identity and purpose are based on these sources. Analytics interpretation and suggested checks are Apostl guidance.
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