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