CrystalSemanticsBot
Crystal Semantics web crawler bot
About this crawler
CrystalSemanticsBot is a web crawler identified by the regular-expression pattern CrystalSemanticsBot in the User-Agent request header. It is categorised as seo. Use the regex above to detect, log, allow, or block CrystalSemanticsBot traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
0.33%
Technical details
- Name
- CrystalSemanticsBot
- Pattern
CrystalSemanticsBot- Tags
- seo
- Reference
- http://www.crystalsemantics.com/user-agent/
- Added
- 2014/02/17
- Instances
- 0 known sample(s)
Sample User-Agent strings
no public sample user-agents recorded.
Block this crawler
robots.txt — disallow CrystalSemanticsBot:
User-agent: CrystalSemanticsBot
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} CrystalSemanticsBot [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "CrystalSemanticsBot") {
return 403;
}
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