Nitro-Warmup-Agent
Website optimization platform cache warming and asset generation
About this crawler
Nitro-Warmup-Agent is a web crawler identified by the regular-expression pattern Nitro-Warmup-Agent in the User-Agent request header. It is categorised as seo. Use the regex above to detect, log, allow, or block Nitro-Warmup-Agent 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
- Nitro-Warmup-Agent
- Pattern
Nitro-Warmup-Agent- Tags
- seo
- Reference
- https://nitropack.io/
- Added
- 2026/04/17
- Instances
- 1 known sample(s)
Sample User-Agent strings
Nitro-Warmup-AgentNitro-Webhook-AgentNitro-Optimizer-Agent
Block this crawler
robots.txt — disallow Nitro-Warmup-Agent:
User-agent: Nitro-Warmup-Agent
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} Nitro-Warmup-Agent [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "Nitro-Warmup-Agent") {
return 403;
}
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