semantic-visions
Semantic content analysis and AI training data crawler
About this crawler
semantic-visions is a web crawler identified by the regular-expression pattern semantic-visions in the User-Agent request header. It is categorised as ai-crawler. Use the regex above to detect, log, allow, or block semantic-visions traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
0.20%
Technical details
- Name
- semantic-visions
- Pattern
semantic-visions- Tags
- ai-crawler
- Reference
- https://www.semantic-visions.com/
- Added
- 2026/04/26
- Instances
- 2 known sample(s)
Sample User-Agent strings
Mozilla/5.0 (Linux; CentOS; compatible; semantic-visions-discovery; HTTPClient 4.5)
Mozilla/5.0 (X11; compatible; semantic-visions.com crawler; HTTPClient 4.5)
Block this crawler
robots.txt — disallow semantic-visions:
User-agent: semantic-visions
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} semantic-visions [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "semantic-visions") {
return 403;
}
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