10 Best Anti-Spam Plugins to Protect Your WordPress Site

Running a website, especially when selling products on the net, you’ll receive different kinds of comments. But some unwanted messages are repeatedly posted on your site, which is rather irritating and crazy. Spam is always an annoyance to most people in modern life or web activities. Website developers are eager to avoid such kind of trouble effectively. Well, with the help of a WordPress plugin, it’s not that difficult to handle spam any more. Here is a list of anti-spam WordPress plugins.

1. Askimet

With more than one million downloads, this plugin belongs to one of the most popular anti-spam plugins for WordPress website masters. It’s created and developed by Automattic Team. Askimet has a set of anti-spam standards. Comments will be first submitted and checked through the Akismet web services before they are published or thrashed to the spam queue. You need to register an API key when installing this plugin. Well, it’s easy to set up then the tool works for you.
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2. WordPress Zero Spam
This tool is also popular among web masters. Different from Akismet, this plugin does not require any API keys or additional settings. But it will block all spam comments or trackbacks automatically while you do not need to fill in any Captcha. This anti-spam plugin makes use of JavaScript logic shared by David Walsh.
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3. Anti-Spam Bee

This effective and reliable plugin is also free, like WordPress Zero Spam, for personal and commercial websites, blogs in particular. It takes a log of spammers with Fail2Ban service. The plugin automatically validates the IP addresses of the commenter to be spam or not. Besides, Anti-Spam Bee cleans your spam folder periodically and automatically.
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4. WP-SpamShield Anti-Spam

This plugin is powerful to eliminate comment spam, trackback spam, contact form spam and registration spam. It works to block both spambots and human spam using JavaScript/Cookies and Algorithmic anti-spam layer. It displays a count of the blocked spam comments on WordPress dashboard as well.
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5. Anti-spam

Donald Knuth’s Anti-spam plugin is also excellent in spamming comments. Administrators do not need to change settings, and users do not need to type Captcha when commenting. But the tool blocks spam automatically with JavaScripts.
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6. Anti-Spam by CleanTalk

Similar to Akismet, this plugin checks spam comments through its cloud servers. Then comments are added to the spam queue or are approved and published. It’s a premium anti-spam WordPress plugin in blocking spam comments, spam bot signups and trackbacks.
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7. WP-SpamFree Anti-Spam

This is a free and powerful anti-spam plugin to automatically delete blog comments including trackback and pingback spam. The plugin works silently in the background. Anything that matches a string in the blacklist will be completely and permanently blocked. It lets you to move spammer IPs to the blacklist easily.
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8. WangGuard

WangGuard is a great plugin compatible with WordPress MU, bbPress and BuddyPress. It checks comments for spam on external servers. It keeps spam visitors away from your website and cleans the dataset of these spammers afterwards, avoiding performance slowing down or manual cleanings.
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9. Stop Spammers Spam Prevention

This plugin works quite well in validating spambots, spam registration, logins and comments. In its own methods, this tool tests which users and comments are actually spam or legitimate. For example, if a spam a detected, the user will be offered a second chance to post his comments or login, with a captcha screen presented.
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10. Stop Spam Comments

Like some other plugins, this simple JavaScript-based blocker does not require any captchas, questions, or other interactions for users to stumble with. It does not add script files or other assets to your theme, which will not affect your performance and server at all.
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Wrapping up
There are a great many of anti-spam plugins. Whether you need a spam blocker depends on how big your website is and how many visitors you serve. The above ten tools can effectively and easily protect your site against spam. Every man has his hobbyhorse. What is your favorite one? How do you think of it?