Lightweight WordPress plugin that stops backlink spam before it reaches your comment section. Multiple protection layers. Zero performance impact. Free to use.
You're not alone. Every WordPress site faces the same challenge.
Spending hours every week deleting spam comments manually
Website fields in comment forms are a magnet for backlink spam
Outbound spam links can hurt your site's search engine rankings
Most anti-spam solutions slow down your site with API calls
Four complementary layers ensure comprehensive spam protection
Removes website URL fields from comment forms entirely
Blocks submissions containing HTTP/HTTPS links before saving
Rejects spam comments immediately before they're saved to database
Controls submissions via Form, REST API, and XML-RPC
Everything you need, nothing you don't
Four-layer spam defense stops threats at multiple checkpoints before they impact your site
No external API calls, no frontend overhead. Lightweight code runs efficiently server-side only
Rejects spam automatically before it's saved. Only legitimate comments reach your moderation queue
Smart defaults provide protection immediately. Configure advanced options only if needed
Works with any WordPress theme using standard hooks. No theme modifications required
Advanced protection features available to all users. Easy to configure, powerful to protect
Dashboard widget shows blocked spam count, method breakdown, and recent activity metrics
Native translations in 5 languages (English, Arabic, German, Spanish, French) with professional quality
Extensible architecture with hooks and filters. Clean code following WordPress standards
From installation to protection in less than 5 minutes
Download from WordPress.org or install directly from your WordPress admin dashboard
Click activate and you're protected immediately. Smart defaults work for most sites
Adjust settings to match your needs. Control which features are enabled and customize messages
Professional interface designed for WordPress
Card-based layout with visual status indicators
Real-time protection statistics
URL field automatically removed
See how we compare to other solutions
Feature | Comments Firewall | Heavy API Plugin | Manual Moderation |
---|---|---|---|
Performance Impact | Zero | High (API calls) | None |
Setup Time | Under 5 minutes | API key required | Immediate |
Cost | Free | Paid tiers | Free (time cost) |
External Dependencies | None | API service | None |
Data Privacy | All local | Sent to API | All local |
Time Investment | One-time setup | One-time setup | Daily moderation |
Protection Layers | 4 layers | API filtering | Manual only |
Spam Handling | Rejected before save | Varies | Manual deletion |
Everything you need to know
Yes! Comments Firewall is designed to work with any WordPress theme that follows WordPress coding standards. It uses core WordPress hooks and filters, so it integrates seamlessly without requiring theme-specific modifications.
No, never. Comments Firewall is non-destructive by design. It rejects spam comments before they're saved to the database, so only legitimate comments reach your moderation queue. Your existing comments are never touched or deleted.
No. The plugin has zero frontend performance impact. All validation happens server-side only, with no external API calls, no additional HTTP requests, and minimal computational overhead. The code is lightweight and optimized for efficiency.
Absolutely! Comments Firewall complements other spam protection solutions. It provides an additional layer of protection that works alongside plugins like Akismet. Each plugin handles different aspects of spam prevention, making them more effective together.
It works immediately with smart defaults. Simply activate the plugin and you're protected. Configuration is optional and only needed if you want to customize specific behaviors like error messages or which protection layers are active.
Yes. The plugin works on WordPress multisite installations. Each site in the network can be configured independently according to its specific needs.
Comments Firewall is currently free to use with all features available to everyone. We focus on providing quality spam protection without paywalls or feature limitations.