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Packagist · #438 most downloaded on Packagist
CrawlerDetect is a PHP class for detecting bots/crawlers/spiders via the user agent
Last release 2 months ago
10 Jul 2026
Release timing varies
gaps range from 2 weeks to 4 months
Rarely documented
notes for 10 of the last 60 stable releases
Nothing withdrawn
no release was ever pulled
12 years old
175 releases · first in 2015
Bump actions to Node 24-ready versions by @JayBizzle in #614
Full Changelog: v1.4.0...v1.4.1
Fix contributor instructions: correct test path, drop raw/ ask by @JayBizzle in #607
Full Changelog: v1.3.11...v1.4.0
One column per quarter.
Add ChatGPT-User and claude-web crawler signatures by @JayBizzle in #601
Full Changelog: v1.3.10...v1.3.11
Remove Flock crawler signature (false positives on real browser) by @JayBizzle in #600
Full Changelog: v1.3.9...v1.3.10
Fix bugs and harden tests (patch-safe) by @JayBizzle in #595
Full Changelog: v1.3.8...v1.3.9
Adds Ahref and SEOGets bots by @therampagerado in #592
Full Changelog: v1.3.7...v1.3.8
GoogleMessages detection by @Mushr0000m in #574
Full Changelog: v1.3.6...v1.3.7
Added Mailpit to raw files by @loadkpi in #568
Full Changelog: v1.3.5...v1.3.6
Added Mailpit Detection by @prajwal89 in #567
Full Changelog: v1.3.4...v1.3.5
Monspark detection by @manavo in #559
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