yacy User-Agent & Blocking Rules
Operated by YaCy Community. 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 yacy?
YaCy is a distributed, peer-to-peer search engine. Users run their own crawler nodes.
Test if yacy can access your URL
Enter URL to test if yacy is allowed or blocked.
Is yacy safe?
It is recommended to use caution with yacy.
Caution bots may have legitimate uses but can be resource-intensive or used for competitive intelligence.
For more information about our safety badges, visit our documentation.
User-Agent String used by yacy
yacyHow to block yacy with robots.txt?
Add the following standard robots.txt rule to prevent yacy from accessing your site.
User-agent: yacy Disallow: /
What happens if I block yacy?
Low Impact
Blocking yacy will prevent automated scraping of your content. This is generally safe and recommended to protect your content and reduce server load. Your search rankings will NOT be affected.
Common use cases for yacy
Understanding how yacy is typically used can help you make informed decisions about whether to allow or block it on your website.
- Extracts content, prices, or data from websites
- May be used for competitive intelligence
- Often operates without explicit permission
- Can increase server load and bandwidth usage
- May violate terms of service or copyright