YandexAdditional
recommended: observeYandexAdditional is a web crawler operated by Yandex that retrieves website content for YandexGPT quick answers in Yandex Search.
What it does
YandexAdditional works like Googlebot with a less predictable calendar. Expect recurring crawls across your whole site, at a frequency that tracks how often your content changes and how much authority your site carries. Visits can cluster in bursts when its index refreshes.
How to identify it
User-agent contains any of:
YandexAdditional
robots.txt
Well-behaved crawlers honor robots.txt. To control YandexAdditional:
Allow full access
User-agent: YandexAdditional
Allow: /Block entirely
User-agent: YandexAdditional
Disallow: /
Grey-area scrapers ignore robots.txt. Botscope enforces your policy at the edge or origin regardless —
see how →
See YandexAdditional on your own site
Botscope shows every bot and AI agent hitting your site — and lets you allow, challenge, or block each one. Observe first, enforce when you're ready.
Start free — connect in minutes