YandexVerticals

Yandex vertical search services crawler

About this crawler

YandexVerticals is a web crawler identified by the regular-expression pattern YandexVerticals in the User-Agent request header. It is categorised as search-engine. Use the regex above to detect, log, allow, or block YandexVerticals traffic in your web server, CDN edge rules, or robots.txt.

Block-rate · top 25k sites

No block-rate data for this crawler.

Technical details

Name: YandexVerticals
Pattern: YandexVerticals
Tags: search-engine
Reference: https://yandex.ru/support/webmaster/ru/robot-workings/check-yandex-robots.html
Added: 2015/04/14
rDNS suffixes: .yandex.com, .yandex.net, .yandex.ru
Instances: 1 known sample(s)

rDNS verification (FCrDNS)

Verify a request is genuinely YandexVerticals with forward-confirmed reverse DNS: the client IP's PTR record must end in one of the suffixes below and a forward A/AAAA lookup of that hostname must return the same IP. UA strings alone are spoofable; FCrDNS is not.

.yandex.com
.yandex.net
.yandex.ru

Sample User-Agent strings

Mozilla/5.0 (compatible; YandexVerticals/1.0; +http://yandex.com/bots)

Block this crawler

robots.txt — disallow YandexVerticals:

User-agent: YandexVerticals Disallow: /

Apache .htaccess — return 403:

RewriteEngine On RewriteCond %{HTTP_USER_AGENT} YandexVerticals [NC] RewriteRule .* - [F,L]

Nginx — return 403 inside a server block:

if ($http_user_agent ~* "YandexVerticals") { return 403; }

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