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As a website owner, isn’t it exhilarating to see a growth in incoming traffic? Sure it is! We all have experienced it! However, when your site begins to gain traction, spam will be one of the most unpleasant things you must tend to. The moment your website starts getting a decent amount of traffic, a host of unwelcome spammers join the party. Most of these spammers are automated spam bots.
How bad could this be, you ask?
Well, let’s see. First off, if you don’t moderate comments (i.e., if you directly publish all comments without an approval), tons of irrelevant content (spam) will fill your posts and pages. This will ultimately reduce your SEO score, all thanks to automated spam bots.
If you decide to manually moderate each and every comment, checking them for spam and authenticity, well, you’re going to need a lot of time. This technique has another disadvantage. Apart from requiring significant human effort, spam comments will keep filling your WordPress database. This weighs down your database and makes it slow.
Of course, we have a number of solutions for this problem. This article lists the best anti-spam WordPress plugins. You can choose any one of them (make sure you go through their features first) and enjoy the pleasures of hassle-free comment moderation.
We’ll begin with the simplest of WordPress plugins.
Developed by Automattic, the company behind WordPress, this is one of the most popular cloud-based and free anti-spam plugins for WordPress. Akismet employs a web service powered by cloud servers, which evaluates comments for spam. First, you need to connect to the cloud service using an API key, which can be obtained by registering for the service.
A couple of comments blocked by Akismet
The plugin uploads all incoming comments to Akismet’s cloud servers, where highly specialized algorithms evaluate the validity of the comments. Some are caught red-handed and shifted to the spam queue. The squeaky clean ones are directly moderated and published. If Akismet gets stuck, i.e., can’t decide for good whether a particular plugin is spam or not, it moves the comment to the moderation queue.
Akismet is free for personal and noncommercial use, with a limit of 50,000 comment checks a month. The paid plans start from $5 a month, which is a pretty sweet deal for spam. It also seamlessly integrates with the Jetpack and Contact Form 7 plugins.
Anti-Spam by CleanTalk—No Captcha, No Comments & Registrations Spam
CleanTalk is a premium cloud-based antispam plugin for WordPress, which blocks spam comments, spam bot signups, and trackbacks.
The plugin is very similar to Akismet in that the incoming comments are uploaded to CleanTalk’s cloud servers where they undergo multiple validation checks. Depending on the results, the comments are then moved to the spam queue or are approved and published.
Cloud-based protection options from CleanTalk
The plugin maintains advanced statistics of blocked spam comments and a spam comment log. It also supports a long list of third-party plugin compatibility, such as W3 Total Cache, Jetpack, Contact Form 7, WooCommerce, BuddyPress, bbPress, and WP-Members.
It offers a 14-day free trial, after which a commercial license costs $8/year for a single website.
Anti-Spam Bee is a completely free WordPress plugin for both personal and commercial uses. Unlike Akismet, Anti-Spam Bee does not require user registration. However, this plugin does not use cloud-powered spam detection algorithms. It relies on server-side techniques, such as matching it against a public spam database, validating the IP address of commenters, using regular expressions, and trusting commenters with Gravatar as nonspammers.
Host of options offered by Anti-Spam Bee
It also clears the WordPress database of previously stored spam every few days and hence prevents it from slowing down. Moreover, the plugin displays spam statistics and emails the moderators the daily spam blockage statistics.
Cerber is a powerful anti-spam WordPress plugin which can be of tremendous help when dealing with spam, attacks, malware and other inconvenience. As for spam specifically, Cerber activates its engines and Google reCAPTCHA for comments, contacts and registrations. With Cerber, you can also limit login attempts, monitor logins, create black and white IP access lists and generate a custom login URL.
For your information, Cerber sure has a broad specter of features that you can take to your advantage. Let’s continue with blocking users that attempt to log in with a prohibited username and stopping user enumeration. By utilizing the impressive Cerber, you can now protect your blogs or websites with an anti-spam tool. Let your web space run smoothly and seamlessly without any hitches. Achieve this result without breaking a single drop of sweat thanks to Cerber.
Anti-spam is – hence the name – a WordPress plugin that gets rid off the annoying spam. At this time, you might be getting a ton of spammy comments that you would like to eliminate. You are in luck, Anti-spam is the perfect example of an excellent solution to block the comment spam. Do you know what’s best? When it comes to Anti-spam, all it takes is to download and install the plugin and you are ready to roll. Indeed, there is no need to performing any editing and setting up; Anti-spam works upon installation.
One of the features of Anti-spam is storing blocked comments in the spam folder. From there, you can then manually delete them or even approve some of the comments if needed. Bear in mind, Anti-spam is exclusive to blocking comment spam only. That said, if you are in search of other spam and malware protection, you better look into any other anti-spam WordPress plugin that we have in this collection.
BulletProof Security is an all-in-one website protector to keep your pages operate flawlessly regardless of spam, attacks and other malicious activities. It keeps your online space protected and safe at all times. Besides, pre-install a plugin like BulletProof Security and never run into any issue after the volume of traffic increases. Better be safe early on than sorry afterward. BulletProof Security rocks a one-click setup wizard, making sure that all users can benefit from its amazing features.
Some of the features of BulletProof Security are malware scanner, login monitoring, backups, as well as front- and back-end maintenance mode. At any time, when you find yourself in need of more amenities, you can always upgrade to BulletProof Security Pro and make a difference. However, in many cases, the free version is more than enough.
Wordfence Security is a full-blown security system for your WordPress website or blog. Instead of running into any inconveniences, let Wordfence Security take care of the smooth operation of your page in the background. Wordfence Security is way more than “just” an anti-spam plugin for WordPress, as it takes care of all these other stuff, too. Not to mention, with more than three million downloads, you know that Wordfence Security must be doing something right.
Wordfence Security is both a firewall and a security scanner. Of course, this includes spam as well. And if you would ever want to take things to a whole different level, you can always upgrade to Wordfence Security pro plan and enjoy an even thicker layer of protection. In the admin, you can always see what is going on, how many threats, spam and possible attacks Wordfence Security prevented.
Jetpack is another spectacular all-in-one WordPress plugin that takes care of your website’s security. Avoid the unpleasant with Jetpack once and for all. Once you set things up, Jetpack works 24/7, always making sure no treat comes even close. Of course, Jetpack’s Basic protection will always be free of charge, taking care of, well, the basics. For the more advanced users, you can always step things up with the premium plan.
This remarkable tool takes care of brute-force attacks, spam filtering and downtime monitoring. It also offers backups for your entire website, malware scanning and an automated threat resolution. The option to protect and secure your page are many with Jetpack. Last but not least, this anti-spam plugin is also a breeze to use, so everyone can profit from it and enjoy the security.
Zero Spam is effortless to use WordPress anti-spam plugin that offers you protection from spam bots. Registration and comment spam will be no more with the use of the powerful Zero Spam. What’s cool about this tool is that little work is necessary to install and activate it and make it work for you. In fact, those two actions are all that is necessary to let Zero Spam do the magic.
Some of the features of Zero Spam include no captcha, no moderation queues, caching plugins support, blocking fishy IP addresses and comes with optional logging. Moreover, Zero Spam is compatible with numerous plugins, like Contact Form 7, Gravity Forms and BuddyPress, to name a few. If you are ready to get rid of the spam for good, start with the right foot forward and employ Zero Spam.
Blackhole for Bad Bots
You can now create your own virtual black hole for spammers and hackers. Blackhole for Bad Bots is a WordPress anti-spam plugin that keeps you away from harmful bots. How the tool operates is very simple. It adds a hidden link to the footer of your page that no human eye can spot. From then on, Blackhole for Bad Bots gets rid of all the robots that try and follow the link. Moreover, the more advanced bots, who actually manage to enter the link, well, they get thrown in the virtual black hole. The plugin does not affect real users and good bots.
Blackhole for Bad Bots’ set up process is swift and straightforward. It is also super fast and lightweight, making sure it has no impact on your website’s performance and load speed. Last but certainly not least, Blackhole for Bad Bots is updated regularly, always improving and innovating.
WPBruiser (No Captcha Anti-Spam}
From the plugin’s page:
“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.
General Settings page of WPBruiser
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.
One of the many settings page of this plugin
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.
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!