17 Most Popular Anti Spam Plugins for WordPress

WordPress, as a Content Management System, comes loaded with basic features to tackle spam. Spam is the most irritating factor for any web based company or for blog owners, because spam can damage the overall quality of your site to a great extent and sometime it can destroy your site completely.

In this post we have collected some of the best free anti spam WordPress plugins which you can use in your site and protect it against spam to a great extent. Don’t forget to give your most welcomed feedback to improve quality of our blog. You may be interested in the following posts: Free WordPress Education Themes, WordPress Free Sidebars Widgets and WordPress Pricing Table Plugins.

1. WP-SpamShield Anti-Spam

An extremely robust and user friendly WordPress anti-spam plugin that stops blog comment spam cold, including trackback and pingback spam.

WP-SpamShield Anti-Spam

WP-SpamShield Anti-Spam

2. Slider CAPTCHA

Using Slider CAPTCHA, you can replace or add a CAPTCHA to your WordPress forms. By default, Slider CAPTCHA will add a CAPTCHA to your templates’ comment form.

Slider CAPTCHA

Slider CAPTCHA

3. ExtraWatch FREE

Analyze your visitor behavior, optimize website and then increase conversions and sales. Once called the “Swiss Army Knife” for every WordPress website.

ExtraWatch FREE

ExtraWatch FREE

4. Anti-spam by CleanTalk

Anti-spam CleanTalk that would provide maximum protection from spam and you can provide for your visitors a simple and convenient form of comments/registrations without annoying CAPTCHAs and puzzles.

Anti-spam by CleanTalk

Anti-spam by CleanTalk

5. Spam Master

Spam Master was born out of need to protect our website against constant malicious spam registrations and comments that affect the majority of wordpress websites.

Spam Master

Spam Master

6. Centrora Security

Centrora Security is a new plugin that modified from OSE Firewall Security. A WordPress Firewall Security to protect your WordPress Sites from attacks and hacking.

Centrora Security

Centrora Security

7. Comments by Vicomi

Vicomi comments is a free comment platform with a new cool, stylish graphic interface that replaces your default WordPress comment system.

Comments by Vicomi

Comments by Vicomi

8. Simple Trackback Validation

Simple Trackback Validation Plugin performs a simple but very effective test on all incoming trackbacks in order to stop trackback spam. Now with topsy.com blocker.

Simple Trackback Validation

Simple Trackback Validation

9. User Registration Aide

WordPress User Registration Aide Force & Add New User Fields on Registration Form, as the title implies, allows you to require more fields when a new user registers.

User Registration Aide

User Registration Aide

10. WangGuard

The most advanced protection against sploggers and spam users registration, is fully WordPress,WordPress MU ,BuddyPress and bbPress 2.0 compatible.

WangGuard

WangGuard

11. Greg’s Comment Length Limiter

This plugin provides a configurable limit on the length of comments left in the comment form, with a character countdown displayed for the user and dynamically updated with each keypress.

Greg's Comment Length Limiter

Greg’s Comment Length Limiter

12. Spam Destroyer

Stops automated spam while remaining as unobtrusive as possible to regular commenter. The Spam Destroyer plugin is intended to be effortless to use, simply install and enjoy a spam free website.

Spam Destroyer

Spam Destroyer

13. Mailgun Email Validator

Kick spam with a highly advanced email validation in comment forms, user registration and contact forms using Mailgun’s Email validation service.

Mailgun Email Validator

Mailgun Email Validator

14. Conditional CAPTCHA

Asks commenters to complete a simple CAPTCHA if they don’t have a previously approved comment, or if Akismet thinks their comment is spam.

Conditional CAPTCHA

Conditional CAPTCHA

15. Anti-spam

Anti-spam plugin blocks spam in comments automatically, invisibly for users and for admins.

Anti-spam

Anti-spam

16. NO CAPTCHA Anti-Spam

NO CAPTCHA Anti-Spam. Keypic checks your blogs comments against the comprehensive Keypic Web Service to see if they look like spam or not.

NO CAPTCHA Anti-Spam

NO CAPTCHA Anti-Spam

17. SpamLord

Upon activation, SpamLord eliminates the potential for automated spam comments, as well as trackback spam.

SpamLord

SpamLord

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