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9 Best Anti-Spam Plugins for WordPress 2

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WordPress Zero Spam
This is a completely free anti-spam WordPress plugin built based on a concept developed by Mozilla founder David Walsh.
The plugin plays on a very basic assumption that any comment that isn’t spam must be typed from a valid—even the most basic—web browser. It could be either a mobile or a desktop version. The plugin employs a clever server and a client-side comment validation technique that nips the spam bots at the bud.
The plugin also integrates with popular plugins, like Gravity Forms, Ninja Forms, and BuddyPress.

Growmap Anti Spambot Plugin
Growmap Anti Spambot (GASP) is a free plugin that inhibits spam bots by adding dynamically generated named fields to the comment form.
The plugin adds a client-side-generated checkbox to the WordPress comment box, which the users must check to confirm that they are not a spammer.

WPBruiser (No Captcha Anti-Spam}
“WPBruiser (formerly GoodBye Captcha) is an anti-spam and security plugin is based on algorithms that identify spam bots without any annoying and hard to read captcha images.”
The developer claims that the plugin does not display any captchas or common validation mechanisms to the visitor. The plugin does not let spam enter your WordPress site. However, this poses a certain risk in case the plugin reports a false positive.
Update on 16 Feb 2016: Mihai was kind enough to clarify this for us. He says that the plugin offers the possibility to log all blocked content for any form that it protects.
In the Settings tab there is an option: “Keep Blocked Submitted Content For,” which defaults to 10 days. Any blocked content older than this value will be automatically deleted. Of course, the admin can change this value. By setting the value to zero days, the plugin will not log a blocked attempt’s content.
One can also see every blocked request information. Simply go to the Reports tab. For each blocked attempt, you have the option to “View Blocked Content.” Click on that, and you’ll see the formatted blocked attempt.
This is a slight disadvantage. If you are willing to take this small risk, then Goodbye Captcha is a great choice. This plugin integrates with the WordPress login and registration page apart from the comment form. It also has features like IP blacklisting, optional logging, statistics, and report generation. It is compatible with a host of third-party plugins.

Stop Spammers Spam Prevention
This plugin is yet another awesome server and client-side anti-spam WordPress plugin with over 20 different checks for spam comments. The plugin also prevents login page spam and has over 12 pages of options for heavy user customization.
In case of spam detection, users get a second chance to post their comments or to log in. In such cases, a captcha challenge will appear. Upon determining which comments are acceptable, the plugin supports Google reCaptcha, OpenCaptcha, and SolveMedia Captcha as the captcha challenge services.


As a WordPress site owner, I think the choice of picking the right anti-spam WordPress plugin depends on the characteristics of the traffic you’re receiving.

If you are mostly publishing “list type” articles, then chances are that your visitors will be suggesting new or different products on the list. Anti-spam algorithms might consider this as advertising spam, moving such valid comments directly to the spam queue. Therefore, I would recommend going through the spam queue if the number isn’t so high.

Finally, you’ll also have to choose between a cloud-based solution and a local solution that uses server and client side data, JavaScript, and cookies to prevent spam.

In my opinion, if you have a moderate amount of traffic with active/recurring/inquisitive comments, then the local solution would do just fine. If you are absolutely new to WordPress, Akismet is your best bet. However, if you run a typical viral site, then a cloud-based solution like Akismet or WangGuard would be awesome.

You can also follow these tips to keep your website clean from unnecessary files, database entries, and more. Keeping your website clean will improve your website’s load speed. For more information about WordPress performance, make sure to read this guide.

Have we missed your favorite anti-spam WordPress plugin? Let us know and we’ll add it to our list! Thanks for reading!

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