YandexDirectDyn
Yandex Direct dynamic ads crawler
About this crawler
YandexDirectDyn is a web crawler identified by the regular-expression pattern YandexDirectDyn in the User-Agent request header. It is categorised as advertising. Use the regex above to detect, log, allow, or block YandexDirectDyn traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
0.26%
Technical details
- Name
- YandexDirectDyn
- Pattern
YandexDirectDyn- Tags
- advertising
- Reference
- https://yandex.ru/support/webmaster/ru/robot-workings/check-yandex-robots.html
- Added
- 2026/05/02
- Instances
- 1 known sample(s)
Sample User-Agent strings
Mozilla/5.0 (compatible; YandexDirectDyn/1.0; +http://yandex.com/bots
Block this crawler
robots.txt — disallow YandexDirectDyn:
User-agent: YandexDirectDyn
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} YandexDirectDyn [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "YandexDirectDyn") {
return 403;
}
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