Akismet Anti-Spam

Akismet checks your comments and contact form submissions against our global database of spam to…


Automattic 5+ million active installations Tested with 5.2 Updated 5 days ago

WP-Optimize

WP-Optimize is WordPress's most-installed optimisation plugin. With it, you can clean up your database easily…


David Anderson, Ruhani Rabin, Team Updraft 800,000+ active installations Tested with 5.2 Updated 3 weeks ago

Sucuri Security – Auditing, Malware Scanner and Security Hardening

The Sucuri WordPress Security plugin is a security toolset for security integrity monitoring, malware detection…


Sucuri Inc. 500,000+ active installations Tested with 5.2 Updated 1 week ago

Contact Form 7 Honeypot

Contact Form 7 Honeypot – Adds honeypot anti-spam functionality to CF7 forms.


Nocean 200,000+ active installations Tested with 5.0.4 Updated 4 months ago

Email Address Encoder

A lightweight plugin that protects email addresses from email-harvesting robots, by encoding them into decimal…


Till Krüss 100,000+ active installations Tested with 5.1.1 Updated 1 month ago

Spam protection, AntiSpam, FireWall by CleanTalk

Spam protection, antispam, all-in-one, premium plugin. No spam comments & users, no spam contact form…


СleanTalk 90,000+ active installations Tested with 5.2 Updated 6 days ago

Stop Spammers

Aggressive anti-spam plugin that eliminates comment spam, trackback spam, contact form spam, and registration spam.…


Bryan Hadaway 40,000+ active installations Tested with 5.0.4 Updated 6 months ago

Math Captcha

Math Captcha is a 100% effective CAPTCHA for WordPress that integrates into login, registration, comments,…


dFactory 30,000+ active installations Tested with 4.9.10 Updated 8 months ago

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 4.6.14 Updated 2 years ago

WPBruiser {no- Captcha anti-Spam}

An extremely powerful antispam plugin that blocks spam-bots without annoying captcha images.


Mihai Chelaru 20,000+ active installations Tested with 5.1.1 Updated 1 month ago

Contact Form 7 Image Captcha

Adds a clean image captcha to Contact Form 7


KC Computing 20,000+ active installations Tested with 5.1.1 Updated 4 weeks ago