YandexAdditional User-Agent & Blocking Rules
Operated by Yandex. Verify the official user-agent string and safety status for this bot. Use the tools below to run a live crawlability test and get copy-paste robots.txt rules to manage its access. Crawler info last updated on .
What is YandexAdditional?
A supplementary crawler used by Yandex for specific indexing tasks that may not be covered by the main YandexBot.
Test if YandexAdditional can access your URL
Enter URL to test if YandexAdditional is allowed or blocked.
Is YandexAdditional safe?
Yes, YandexAdditional is considered safe.
This bot is verified and generally respected by the SEO community.
For more information about our safety badges, visit our documentation.
User-Agent String used by YandexAdditional
YandexAdditionalHow to block YandexAdditional with robots.txt?
Add the following standard robots.txt rule to prevent YandexAdditional from accessing your site.
User-agent: YandexAdditional Disallow: /
What happens if I block YandexAdditional?
Critical Impact
Blocking YandexAdditional will prevent your website from appearing in search results. This will significantly reduce your organic traffic and visibility. Only block if you intentionally want to remove your site from this search engine.
Common use cases for YandexAdditional
Understanding how YandexAdditional is typically used can help you make informed decisions about whether to allow or block it on your website.
- Crawls and indexes web pages for search results
- Discovers new and updated content on your website
- Analyzes page structure, content, and links for ranking
- Renders JavaScript to understand dynamic content
- Checks for mobile-friendliness and page speed