Nullis Shieldv1.3.1
A Prevention-First security engine that eliminates bots before they hit your database. Lightweight, zero-bloat, and incredibly fast.
Alternatives to Blackhole for Bad Bots
Plugins below are selected for functional relevance and current directory signals. Active-install counts do not affect this ranking.
Relevant replacements
WordPress plugins with similar use cases
Compatibility and update metadata provide context, not a quality guarantee. Review each plugin’s details for your site.
Aystat Honeypot Adminv1.0.0
A secure honeypot to trap bots and malicious actors by faking an admin login page.
Protect your site from malicious bots and scanners using a smart honeypot trap.
The most complete free WordPress anti-spam plugin. Protects Contact Form 7, comments, login, registration, REST API, and XML-RPC — all in one shield.
LC Anti-Spam Registrationv1.4.20
Prevent fake and automated bot registrations with lightweight honeypots, rate limiting, and intelligent username analysis.
Bolcal Anti Spamv1.5.27
Free anti-spam protection for WooCommerce, WordPress registration forms, and Contact Form 7 forms.
A simple and lightweight yet rock-solid plugin that blocks comment spam using multiple automatic detection methods.
A lightweight, invisible honeypot field for Contact Form 7 that helps reduce automated spam submissions without CAPTCHAs.
Monitor traffic and ban unwanted visitors. Block any user or IP address so they can't access your site.
Prevent and stop bots traffic. This plugin inserts in your website the CloudFilt codes for the security tracking available on https://cloudfilt.com/.