Completely disables all backend comment submissions (wp-comments-post.php, REST API, XML-RPC) to stop ghost comment spam.
Alternatives to Seriously Simple Spam Blocker
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.
Proxy & VPN Blockerv3.6.0
Block VPNs, proxies, Tor, and spam on WordPress. Strengthen security and stop fake users with smart IP blocking via proxycheck.io.
TSI Visitor Blockerv1.4.1
Protect your WordPress site from unwanted visitors, spam, bots, and brute-force attacks with a lightweight and easy-to-use security solution.
Security plugin blocking spam bots from harvesting email addresses, phone numbers & addresses. Dual-layer anti-spam protection with auto-detection.
Zero Spam for WordPressv5.7.14
No spam, no scams, just seamless experiences with Zero Spam for WordPress - the shield your site deserves.
A simple and lightweight yet rock-solid plugin that blocks comment spam using multiple automatic detection methods.
Checkout Origin Guardv1.8.0
One-page WooCommerce checkout hardening; bot blocking, rate/sequence checks, business/email heuristics, and optional AVS-based risk signals.
Turbo Rate Limiterv1.0.2
Protect your WordPress site from brute force attacks, API abuse, and DDoS attacks with customizable rate limiting rules.
The most complete free WordPress anti-spam plugin. Protects Contact Form 7, comments, login, registration, REST API, and XML-RPC — all in one shield.
Protect your WordPress login and admin area using Cloudflare Turnstile, a modern CAPTCHA alternative.