Securimage-WP
Block comment spam, malicious logins, and automated registrations by adding the powerful CAPTCHA protection of…
Plugin Tag: anti-spam
Simple Trackback Validation
Performs a simple but very effective test on all incoming trackbacks in order to stop…
Simple Trackback Validation with Topsy Blocker
REPLACEMENT of the original Simple Trackback Validation Plugin from Miachel. Performs a simple but very…
Math Comment Spam Protection
Asks the visitor making the comment to answer a simple math question. This is intended…
WP Spam Fighter
Comment spam prevention without moderation, captchas or questions
Honeypot for WP Comment
Simple plugin to trap the spam comments using honeypot technique.
Block Spam By Math Reloaded
This plugin protects your WordPress and Buddypress login, comments, and new user/new blog signup process…
BuddyPress Security Check
Combat spam registrations for a BuddyPress-powered site using Google's reCAPTCHA
WP referrer spam blacklist (fight 2040+ Referrer Spammers in (Google/Matomo) Analytics)
WordPress plugin to fight with 2040+ referrer spammers (like semalt, buttons-for-website and many more).
En Spam
Block spam with cookies and JavaScript. All Spambots will remain away from your blog. Without…
CheckBot
This antispam plugin provides very simple(one-click) and powerful captcha for your blog.
WP No-Bot Question
Simple question that blocks most spambots (and paid robots) by making them answer a common…
Quiz
Reduces spam and troll comments by requiring commenters to answer a question.
Peter’s Custom Anti-Spam
Stop a lot of spambots from polluting your site by making visitors identify a custom…
BuddyPress Captcha
This plugin adds Google's reCAPTCHA form to your BuddyPress' registration page to keep your community…
yaCAPTCHA
yaCAPTCHA is a CAPTCHA plugin for WordPress that helps you block comment spam from automated…
La Sentinelle antispam
Feel safe knowing that your website is safe from spam. La Sentinelle will guard your…
MP Spam Be Gone
MP Spam Be Gone is the simplest, most effective Spam blocker.
Nonce, Please!
"Nonce, Please!" is a simple plugin that prevents brute-force comments and trackbacks from spammer. This…
Antispam
Anti-spam check the robots by behavior. No captcha. Antispam let robots do so as a…