WordPress Zero Spam

Zero Spam makes blocking spam comments a cinch. Install, activate and enjoy a spam-free site.…


Ben Marshall 20,000+ active installations Tested with 4.6.12 Updated 2 years ago

Stop Spam Comments

Dead simple and super lightweight anti-spambot WordPress plugin. No captcha, tricky questions or any other…


Pino Ceniccola 10,000+ active installations Tested with 4.4.16 Updated 3 years ago

WP referrer spam blacklist (fight 521+ Referrer Spammers in (Google/Piwik) Analytics)

WordPress plugin to fight with 500+ referrer spammers (like semalt, buttons-for-website and many more).


Rolands Umbrovskis 1,000+ active installations Tested with 4.8.7 Updated 1 year ago

Human Presence

Increase security. Decrease frustration. Grow your user base.


Human Presence Technology 30+ active installations Tested with 4.9.8 Updated 4 months ago

Sz Comment Filter

No spam in comments. blocked by Invisible internal token-code with ajax.This is not used CAPTCHA.


SzMake 20+ active installations Tested with 4.1.24 Updated 4 years ago