Official Confidence: High Official Documented
YandexWebmaster
YandexWebmaster is a search crawler associated with Yandex and identified by the YandexWebmaster user-agent pattern.
Verified robots.txt: Yes Safe Block: Depends
This Botcrawl listing helps site owners recognize Yandex traffic from the YandexVertis user-agent pattern and review its classification, trust signals, and blocking guidance.
Common use category: search indexing or content discovery. Confirm the user-agent against server logs before relying on this entry because user-agent strings can be copied or spoofed.
User-agent: YandexVertis Disallow: /(http.user_agent contains "YandexVertis")RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} YandexVertis [NC]
RewriteRule ^ - [F,L]if ($http_user_agent ~* "YandexVertis") { return 403; }YandexVertis is documented here as part of the Botcrawl bot directory so site owners can identify and review automated traffic that presents with the YandexVertis user-agent pattern.
YandexVertisYandexVertisMozilla/5.0 (compatible; YandexVertis/1.0; +http://yandex.com/bots)The row includes an official source URL and is marked as verified in the imported metadata. Confidence is listed as high, and the last verification date is 2026-04-29.
Start by logging or rate limiting this traffic, then decide whether to allow or block it based on volume, source, and site context. The imported metadata says it respects robots.txt.
Use the user-agent pattern as one signal only. For stronger decisions, compare it with request rate, IP ownership, reverse DNS, authentication context, referrer behavior, and whether the traffic is expected for services used by the site.
https://yandex.com/support/webmaster/en/robot-workings/check-yandex-robots
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YandexSearchShop is a search crawler associated with Yandex and identified by the YandexSearchShop user-agent pattern.
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YandexSitelinks is a monitoring bot associated with Yandex and identified by the YandexSitelinks user-agent pattern.
YandexOntoDB is a search crawler associated with Yandex and identified by the YandexOntoDB user-agent pattern.
YandexMarket is a search crawler associated with Yandex and identified by the YandexMarket user-agent pattern.
YandexMedia is a search crawler associated with Yandex and identified by the YandexMedia user-agent pattern.
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