SynthesiBot
Content synthesis and data aggregation crawler bot
About this crawler
SynthesiBot is a web crawler identified by the regular-expression pattern SynthesiBot in the User-Agent request header. It is categorised as monitoring. Use the regex above to detect, log, allow, or block SynthesiBot 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
- SynthesiBot
- Pattern
SynthesiBot- Tags
- monitoring
- Reference
- https://knownagents.com/agents/synthesibot
- Added
- 2026/04/26
- Instances
- 1 known sample(s)
Sample User-Agent strings
Mozilla/5.0 (compatible; SynthesiBot/1.0)
Block this crawler
robots.txt — disallow SynthesiBot:
User-agent: SynthesiBot
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} SynthesiBot [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "SynthesiBot") {
return 403;
}
← back to all crawlers