Akismet

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


Automattic 3+ million active installs Tested with 4.7.5 Updated 2 weeks ago

WP-Optimize

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


David Anderson, Ruhani Rabin, Team Updraft 600,000+ active installs Tested with 4.7.5 Updated 3 months ago

Sucuri Security – Auditing, Malware Scanner and Security Hardening

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


Sucuri, Inc 300,000+ active installs Tested with 4.6.6 Updated 8 months ago

Disqus Comment System

Disqus is the web's most popular comment system. Use Disqus to increase engagement, retain readers,…


Disqus 200,000+ active installs Tested with 4.6.6 Updated 1 month ago

Anti-spam

No spam in comments. No captcha.


webvitaly 100,000+ active installs Tested with 4.9 Updated 6 months ago

Contact Form 7 Honeypot

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


Nocean 100,000+ active installs Tested with 4.7.5 Updated 6 months ago

WP-SpamShield Anti-Spam – All-in-One Spam Protection

All-in-one WordPress spam protection, with NO CAPTCHAs or other inconvenience to site visitors. The #1…


Scott Allen 100,000+ active installs Tested with 4.7.5 Updated 1 week ago

Email Address Encoder

A lightweight plugin to protect email addresses from email-harvesting robots by encoding them into decimal…


Till Krüss 80,000+ active installs Tested with 4.7.5 Updated 6 months ago

Exploit Scanner

Search the files and database of your WordPress install for signs that may indicate that…


Donncha O Caoimh 50,000+ active installs Tested with 4.7.5 Updated 6 months ago

Spam protection FireWall, AntiSpam by CleanTalk

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


СleanTalk 50,000+ active installs Tested with 4.7.5 Updated 4 days ago

Bad Behavior

Bad Behavior prevents spammers from ever delivering their junk, and in many cases, from ever…


Michael Hampton 50,000+ active installs Tested with 4.6.6 Updated 9 months ago

Spam Free WordPress

Todd Lahman's comment spam blocking plugin that blocks automated spam with zero false positives.


Todd Lahman, LLC 50,000+ active installs Tested with 4.4.10 Updated 2 years ago

Growmap Anti Spambot Plugin

Defeat automated spambots (even the new 'learning' bots with dynamically named hidden fields) by adding…


Andy Bailey 40,000+ active installs Tested with 4.0.18 Updated 3 years ago

Stop Spammers

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


Keith P. Graham 30,000+ active installs Tested with 4.7.5 Updated 3 weeks ago