CrawlerDetect

MODX extra that detects web crawlers (bots) by the User-Agent header and protects forms from spam without CAPTCHA. Uses JayBizzle/Crawler-Detect.

Features

• Form protection — block bot form submissions via FormIt preHook
• Hide widgets from bots — don’t load chat, analytics or heavy scripts for bots
• Accurate visitor counts — exclude bots from “online” and “views” counters

Requirements

Requirement	Version
MODX Revolution	3.x
PHP	8.2+

Dependencies

• FormIt — for form protection (preHook crawlerDetectBlock)
• FetchIt — optional, for AJAX forms
• SendIt — optional, for AJAX forms

Installation

Install via MODX Package Manager:

1. Manage → Install packages
2. Find CrawlerDetect in the repository
3. Click Install

Dependencies (JayBizzle/Crawler-Detect) are included. You do not need to run composer install on the server.

After install, Elements → Snippets will have: isCrawler, crawlerDetectBlock.

Next steps

See Quick start and Integration.