A6-Indexer

search-engine A6-Indexer

A6 Corporation web crawler for indexing

About this crawler

A6-Indexer is a web crawler identified by the regular-expression pattern A6-Indexer in the User-Agent request header. It is categorised as search-engine. Use the regex above to detect, log, allow, or block A6-Indexer 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: A6-Indexer
2026-05-012026-06-040.11%

Technical details

Name
A6-Indexer
Pattern
A6-Indexer
Tags
search-engine
Reference
http://www.a6corp.com/a6-web-scraping-policy/
Added
2014/12/05
Instances
1 known sample(s)

Sample User-Agent strings

A6-Indexer

Block this crawler

robots.txt — disallow A6-Indexer:

User-agent: A6-Indexer Disallow: /

Apache .htaccess — return 403:

RewriteEngine On RewriteCond %{HTTP_USER_AGENT} A6-Indexer [NC] RewriteRule .* - [F,L]

Nginx — return 403 inside a server block:

if ($http_user_agent ~* "A6-Indexer") { return 403; }
← back to all crawlers