Klaviyo
Marketing automation bot fetching product data for email campaigns
About this crawler
Klaviyo is a web crawler identified by the regular-expression pattern Klaviyo\/ in the User-Agent request header. It is categorised as seo. Use the regex above to detect, log, allow, or block Klaviyo traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
0.065%
Technical details
- Name
- Klaviyo
- Pattern
Klaviyo\/- Tags
- seo
- Reference
- https://www.klaviyo.com/de/
- Added
- 2026/04/17
- Instances
- 1 known sample(s)
Sample User-Agent strings
Klaviyo/1.0
Block this crawler
robots.txt — disallow Klaviyo:
User-agent: Klaviyo
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} Klaviyo\/ [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "Klaviyo\\/") {
return 403;
}
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