LS

lb-spider

search-engine lb-spider

LB spider web crawler for content discovery

About this crawler

lb-spider is a web crawler identified by the regular-expression pattern lb-spider in the User-Agent request header. It is categorised as search-engine. Use the regex above to detect, log, allow, or block lb-spider traffic in your web server, CDN edge rules, or robots.txt.

Block-rate · top 25k sites

0.065%
latest snapshot
2026-06-04
matched key: lb-spider
2026-05-012026-06-040.11%

Technical details

Name
lb-spider
Pattern
lb-spider
Tags
search-engine
Added
2012/05/07
Instances
0 known sample(s)

Sample User-Agent strings

no public sample user-agents recorded.

Block this crawler

robots.txt — disallow lb-spider:

User-agent: lb-spider Disallow: /

Apache .htaccess — return 403:

RewriteEngine On RewriteCond %{HTTP_USER_AGENT} lb-spider [NC] RewriteRule .* - [F,L]

Nginx — return 403 inside a server block:

if ($http_user_agent ~* "lb-spider") { return 403; }
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