NostoCrawlerBot
Nosto ecommerce personalization crawler
About this crawler
NostoCrawlerBot is a web crawler identified by the regular-expression pattern NostoCrawlerBot in the User-Agent request header. It is categorised as advertising. Use the regex above to detect, log, allow, or block NostoCrawlerBot traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
0.065%
Technical details
- Name
- NostoCrawlerBot
- Pattern
NostoCrawlerBot- Tags
- advertising
- Reference
- http://my.nosto.com/tagging
- Added
- 2026/04/26
- Instances
- 1 known sample(s)
Sample User-Agent strings
Mozilla/5.0 (compatible; NostoCrawlerBot/1.0; +http://my.nosto.com/tagging)
Block this crawler
robots.txt — disallow NostoCrawlerBot:
User-agent: NostoCrawlerBot
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} NostoCrawlerBot [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "NostoCrawlerBot") {
return 403;
}
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