crawler4j
Last updated 1 hour ago.
What is crawler4j?
About
crawler4j
See how often crawler4j visits your website by setting up Spyglasses analytics. Set up tracking
Did you find crawler4j (http://code.google.com/p/crawler4j/) in your logs?
If you've seen crawler4j (http://code.google.com/p/crawler4j/) in your website logs, it indicates that crawler4j has been visiting your site. This agent string is one of the known identifiers for this bot.
Track and manage crawler4j visits to your website with Spyglasses' real-time bot detection. Start tracking
Did you find crawler4j (https://github.com/yasserg/crawler4j/) in your logs?
If you've seen crawler4j (https://github.com/yasserg/crawler4j/) in your website logs, it indicates that crawler4j has been visiting your site. This agent string is one of the known identifiers for this bot.
Track and manage crawler4j visits to your website with Spyglasses' real-time bot detection. Start tracking
Expected Behavior
This bot visits websites for various purposes including content analysis, data collection, or automated tasks. Its behavior may vary depending on its specific function and configuration.
Should I Block crawler4j?
This bot is marked as non-compliant, which may mean it doesn't respect robots.txt or engages in aggressive crawling behavior. You may want to consider blocking it if it's causing issues for your site.
Recommended Solution
Instead of manually managing robots.txt rules, use Spyglasses to automatically detect and manage crawler4j traffic with real-time analytics and flexible blocking rules.
Get Automated Bot ManagementHow Do I Block crawler4j?
You can block this bot or limit its access by setting user agent token rules in your website's robots.txt file. Use Spyglasses analytics to check whether it's actually following your rules.
User Agent Tokens
crawler4j
Should match instances of this botrobots.txt
# robots.txt # This should block crawler4j User-agent: crawler4j Disallow: /
Instead of doing this manually, use Spyglasses to keep your rules updated automatically with the latest AI agents and crawlers. Set up automatic bot management
Manage crawler4j Traffic with Spyglasses
Get real-time alerts when bots visit your site, automatically generate robots.txt rules, and integrate bot traffic data with your existing analytics tools.
Start Free Trial