11 Best WordPress Anti-Spam Plugins Compared - 2026

We are starting off our WordPress AntiSpam plugins list with the Akismet plugin. Akismet is one of the most popular cloud based, free, antispam plugins. It uses a web service that is powered by cloud servers to check and evaluate comments on your site for spam. How it works is that, first you need to connect to the cloud service using an API key then Akismet will upload all of the incoming comments to Akismet’s cloud servers which then evaluate how valid the comments are. If it determines a comment is clean the comment will then be published, if not the comment is sent to the moderation queue. Pretty simple, right? All you have to do is set it up and it does the rest for you.

The Akismet plugin comes with a few more features like:

• A discard feature that blocks the worst spam which speeds up your site by saving you disk space
• Moderators can view the number of approved comments for each user
• URLs are shown in the comment body to reveal hidden or misleading links

The Antispam Bee plugin can be used for both personal and commercial use. This plugin works a little differently than the one previously. The Antispam Bee uses server-side techniques like validating the IP address of commenters or trusting that commenters who are using Gravatar are not spammers, etc. This plugin blocks spam commenters and can trackbacks effectively without need to send personal info to third party servers. A great perk of this plugin is that it comes GDPR compliant so that is one less thing you need to worry about. This plugin also goes through the WordPress database frequently and clears previously stored spam which prevents it from slowing down.

The Antispam Bee plugin comes with even more features such as:

• Notifying admins by email of incoming spam
• Allow comments to be made only in certain languages
• Use regular expressions
• Choose spam indicators to send comments to be deleted directly
• Show spam statistics on the dashboard

The Zero Spam WordPress plugin uses a clever server and client side validation to spot the difference between a valid comment and a spam comment. This plugin can block registration spam and automatically blocks spam comments without the need to do any additional configuration or setup. All you have to do to make this plugin work for you is, install it and activate, then your site will be spam protected. It can support the following plugins: Gravity Form, BuddyPress, WPForms, Ninja Forms, and Contact Form 7. You can also extend this plugin with action hooks to have it do even more things for your site. There are also advanced settings so you can have full control over the plugin.

The WordPress Zero Spam plugin also comes with:

• No moderation queues
• Blocks spam IPs from seeing your site
• Can support caching plugins
• No captcha
• Blocks 99.99% of spam registrations and comments
• Theme and plugin integration for any form on your site

The Anti-spam WordPress plugin can automatically block spam commenters in the comment section without needing to use captcha. This plugin is so low maintenance and easy to use, just install it and it does the work automatically. The comments that it blocks can be stored in the Spam area if you need or want them, this function can also be turned on or off in the settings page. And these blocked comments that are being stored can be turned into regular comments should you decide to do that.

A great perk of the Anti-spam plugin is that it comes compliant with GDPR so you have one less thing to think about when using it. This plugin only blocks spam in the comment section so if you are worried about your site being spammed in other ways you may want to add another plugin to use.

The MiniOrange WordPress plugin has a very cute name but it is actually a very powerful and user friendly plugin to help you protect your website. It is a WordPress Spam protection and Anti spam plugin to eliminate things on your site like: Registration spam, Comment spam, content spam and just about every other type of WordPress spam out there. It identifies the spam, then deletes it and prevents future registrations and also “helps to defeat WordPress spam users”. It also has Google reCaptcha login and registrations spam protection. This plugin can also stop WooCommerce spam by blocking submissions on your comment forms that are not legitimate.

The MiniOrange WordPress Anti Spam plugin also comes with:

• The capability to block comments by using Stop Words from your unique Stop Word list that you create.
• Spam filter
• The capability to block users from certain countries
• Stops spam and bot registration
• Support for Contact form 7, Ninja Forms, Gravity Forms, BuddyPress, bbPress and many others

Spam Master provides broad protection across comment forms, registration forms, and contact forms. The plugin’s automated spam learning function builds a record of known spam IPs and email addresses, which improves its accuracy over time without requiring manual review.

The plugin runs silently in the background once installed — there’s no captcha for visitors to solve, and blocked submissions are logged for your review. It supports multi-language spam detection and covers common submission vectors including WooCommerce checkout forms. For sites that receive spam across multiple touchpoints, Spam Master covers more ground than single-focus plugins.

WP Bruiser (formerly Goodbye Captcha) blocks spam bots using algorithmic analysis rather than captcha challenges. It monitors the behavior of form submissions to distinguish automated bot activity from genuine human input, and blocks bots before they can complete a submission.

Beyond comment forms, WP Bruiser also integrates with the WordPress login and registration pages — useful for sites that have experienced brute-force login attempts alongside comment spam. Because there’s no captcha to present to users, the visitor experience is not affected. The plugin is entirely free on WordPress.org.

We move on to the Stop Spammers WordPress plugin which is a very impressive choice as it comes with a whopping 20 different checks for spam comments. It will even be able to detect spam from many other countries. And if you like to customize then this theme is also a good choice for you because it comes with more than 12 pages of choices for extreme user customization.

How this plugin works is that it actually offers a second chance to users should spam be detected in their first attempt to sign in or submit a comment. If their first attempt is denied a captcha image comes up that they will need to correctly fill out in order to log in. This plugin can support Google recaptcha, OpenCaptcha, and SolveMedia Captcha. Because the Stop Spammers plugin uses so many different ways to detect spam it may actually be too strong for some websites.

WP Cerber is a comprehensive security plugin that goes beyond comment spam to cover login protection, brute-force prevention, and malware detection. On the anti-spam front, it filters comment spam, registration spam, and contact form submissions using a combination of server-side checks and its own spam engine.

The plugin limits login attempts via the standard login form, XML-RPC, and REST API, making it useful for sites that face both spam and brute-force attacks simultaneously. If you need a single plugin to cover spam filtering and login security, WP Cerber is one of the more complete free options available.

The AlphaOmega Captcha plugin provides your site with, you guessed it, various captchas for added security on your WordPress site. It helps protect you from spam as well as brute force admin logins. There is an anti spam filter that comes with this plugin for you to create customizable key words and phrases to block spam and it can filter comments for inappropriate content. There is also a new feature of AlphaOmega Captcha and that is a Spam Counter which shows you how intense the spamming activity on your site is. You can also create your own Custom anti-spam filter list to block spam comments from being sent to you so you have full control over the comments that are being blocked.

More features of the AlphaOmega Captcha WordPress plugin include:

• Multiple different captcha position on your WordPress comment form
• A wide variety of captcha images
• you can use the captcha functionality on your WordPress comment form and admin login area