Caliperbot user agent
Operated by Conductor
Caliperbot is the crawler of Conductor's SEO and website monitoring platform.
The Caliperbot bot at a glance
- Caliperbot is operated by Conductor and fetches pages to power a specific product feature.
- The robots.txt token for Caliperbot is Caliperbot.
- Blocking an SEO tool crawler has no effect on Google or Bing rankings.
- Caliperbot robots.txt support: Not documented.
- Recommendation for Generative Engine Optimization (GEO): Your choice.
What is Caliperbot?
Caliperbot checks sites that Conductor customers monitor.
Conductor has not published a crawler page.
Should you block Caliperbot?
Blocking Caliperbot is a business decision: it protects your content but can lower how well AI products know your brand.
| Effect on search rankings | Blocking an SEO tool crawler has no effect on Google or Bing rankings. |
|---|---|
| Effect on AI visibility | No effect on AI answers. Blocking hides your pages and backlinks from that SEO tool, including from competitors who use it, and breaks your own audits in that tool. |
| Follows robots.txt | Not documented |
| Recommendation | Your choice |
How to block or allow Caliperbot
Put the robots.txt rule in the file at the root of every domain and subdomain, for example https://example.com/robots.txt. The token Caliperbot is matched case-insensitively. robots.txt alone may not stop Caliperbot, so add the Nginx, Apache or Cloudflare rule as well.
robots.txt: block
# Block Caliperbot
User-agent: Caliperbot
Disallow: /robots.txt: allow
# Allow Caliperbot
User-agent: Caliperbot
Allow: /robots.txt: partial
# Keep Caliperbot out of private areas only
User-agent: Caliperbot
Disallow: /wp-admin/
Disallow: /cart/
Disallow: /checkout/
Disallow: /my-account/
Allow: /Nginx
# Nginx: return 403 to Caliperbot
if ($http_user_agent ~* "(Caliperbot)") {
return 403;
}Apache
# Apache .htaccess: return 403 to Caliperbot
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} (Caliperbot) [NC]
RewriteRule .* - [F,L]Cloudflare WAF
# Cloudflare > Security > WAF > Custom rule, action: Block
(http.user_agent contains "Caliperbot")How to verify real Caliperbot traffic
Conductor publishes no IP list or reverse DNS pattern for Caliperbot, so the user agent cannot be verified. Anyone can send the same string. Rate-limit unusual volume instead of trusting the name.
How to find Caliperbot in your server logs
Search the web server access log for the token. The command below counts Caliperbot requests per URL on Nginx or Apache.
grep -i "Caliperbot" access.log | awk '{print $7}' | sort | uniq -c | sort -rn | head -20For a full report per AI bot, upload the log to the AI Log File Analyzer, a free tool by Justin Hà.
Caliperbot user agent string
The full user agent Conductor publishes for Caliperbot. Version numbers such as Chrome/W.X.Y.Z change over time, so match the token, not the whole string.
Caliperbot/1.0 (+http://www.conductor.com/caliperbot)Caliperbot FAQ
Caliperbot identifies itself with the robots.txt token "Caliperbot". A typical request header reads: Caliperbot/1.0 (+http://www.conductor.com/caliperbot)
Conductor has not documented how Caliperbot treats robots.txt. Add a robots.txt rule and back it with a server rule if the traffic matters to you.
Blocking an SEO tool crawler has no effect on Google or Bing rankings. No effect on AI answers. Blocking hides your pages and backlinks from that SEO tool, including from competitors who use it, and breaks your own audits in that tool.
Add two lines to the robots.txt file at the root of each domain and subdomain: "User-agent: Caliperbot" followed by "Disallow: /". The token is case-insensitive. Changes can take up to 24 hours to be picked up.
Not reliably. Conductor publishes no IP list or reverse DNS pattern for Caliperbot, so anyone can send the same user agent. Rate-limit unusual volume instead of trusting the name.
Search your server access log for "Caliperbot", for example with: grep -i "Caliperbot" access.log. The AI Log File Analyzer by Justin Hà counts visits per AI bot from an uploaded log file.
Sources: Public bot registry. Last reviewed by Justin Hà.
See which of these bots actually reach your website
The AI Log File Analyzer by Justin Hà counts visits from GPTBot, ClaudeBot, PerplexityBot and other AI crawlers in your server log, for free. The GEO Technical Package sets up robots.txt, llms.txt and crawler access for AI search.
