dbot
Link preview and content discovery metadata harvester bot
About this crawler
dbot is a web crawler identified by the regular-expression pattern dbot\) in the User-Agent request header. It is categorised as social-preview. Use the regex above to detect, log, allow, or block dbot traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
0.065%
Technical details
- Name
- dbot
- Pattern
dbot\)- Tags
- social-preview
- Reference
- https://www.marsflag.com/ja/services/marsfinder/
- Added
- 2026/04/17
- Instances
- 1 known sample(s)
Sample User-Agent strings
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) (dbot)
Block this crawler
robots.txt — disallow dbot:
User-agent: dbot
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} dbot\) [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "dbot\\)") {
return 403;
}
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