bugsnag-crawler
Application monitoring and error reporting bot
About this crawler
bugsnag-crawler is a web crawler identified by the regular-expression pattern bugsnag-crawler in the User-Agent request header. It is categorised as monitoring. Use the regex above to detect, log, allow, or block bugsnag-crawler 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
- bugsnag-crawler
- Pattern
bugsnag-crawler- Tags
- monitoring
- Reference
- https://docs.bugsnag.com
- Added
- 2026/04/17
- Instances
- 1 known sample(s)
Sample User-Agent strings
bugsnag-crawler / varies
Block this crawler
robots.txt — disallow bugsnag-crawler:
User-agent: bugsnag-crawler
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} bugsnag-crawler [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "bugsnag-crawler") {
return 403;
}
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