Akismet checks your comments against the Akismet Web service to see if they look like spam or not.
No spam in comments. No captcha.
All-in-one WordPress spam protection, with NO CAPTCHAs, challenge questions or other inconvenience to site visitors.
Todd Lahman's comment spam blocking plugin that blocks automated spam with zero false positives.
Spam protection, anti-spam, all-in-one, premium plug-in. No comments spam & users spam, no contact form & WooCommerce spam. Forget spam.
Aggressive anti-spam plugin that eliminates comment spam, trackback spam, contact form spam and registration spam. Protects against malicious attacks.
Zero Spam makes blocking spam comments a cinch. Install, activate and enjoy a spam-free site. Even supports third-party plugins!
Dead simple and super lightweight anti-spambot WordPress plugin. No captcha, tricky questions or any other user interaction required at all.
An extremely powerful antispam plugin that blocks spam-bots without annoying captcha images.
WP Anti Spam can anti automated spambots or anti spams by"comment","ip","name","email","url".
Comment spam prevention without moderation, captchas or questions
Kills spam-bots, leaves humans standing. No CAPTCHAS, no math questions, no passwords, just spam blocking that stops spam-bots dead in their tracks.
MP Spam Be Gone is the simplest, most effective Spam blocker.
WordPress plugin to fight with 500+ referrer spammers (like semalt, buttons-for-website and many more).
DAUnCL helps you keep your comments clean from spam links left by automated or manual comment spammers who are after your valueable traffic. Based on
Stop user to submit a web address on the very first comments on any post and send those comments to spam folder.
Provides a configurable limit on the length of comments left in the comment form, with a dynamically updated character count displayed for the user.
Anti-spam check the robots by behavior. No captcha. Antispam let robots do so as a human can't do.
This plugin prevents comments spamming using language verification.
Stop comment spammers. Remove Comment Author Link & Links from Comments, Unlink, Disable Comments, Delete All Pending Comments & more.
Zero Spam makes blocking spam comments and registrations easy.
SPAM Protection and Anti SPAM against comments, registrations and login. Content protection for your website.
Block comment spam in WordPress with this plugin. Verify comments automatically with the SpamLytics API, and prevent comment spam. No captcha.
SiteBrains blocks spam posts using a completely configurable set of rules. Both interactively as the user types and on our servers upon submission.
Unspam makes it harder for spammers to automatedly send spam to your blog by changing the names of the fields in the comment forms.
Check comment against the SpamBot Search Tool using the IP address, the email and the name of the poster as search criteria.
With this wp antispam plugin you can stop spammers commenting on your blog with poor comments looking for links.
Add a hidden “honeypot” field to comment forms, to help combat comment spam.
Are you frustrated by using CAPTCHAS in comments? We provide you a good and simple solution to combat bot spam and human spam without captcha or calcu