The auto spamming robots are one of the biggest headache for many bloggers out there. It is faced by every WordPress blog owner, if he has good traffic and content in his blog then he would surely be getting 1000 or more spam comments each single day. And by default the WordPress take every comment to moderate before they are published. The settings for this can be found here Settings → Discussions:
- An administrator must always approve the comment (Checked)
So, in order to reduce spam I’ve collected a list of 10 best free captcha plugins to reduce spam in WordPress. These plugins will reduce the spam faced by admins.
Recommended Reading: 8 Best Plugins for Login Security in WordPress
Best Free Captcha Plugins to Reduce Spam in WordPress
1. Captcha
The Captcha plugin allows you to protect your WordPress blog from being spammed by means of math logic and you can use this captcha over registration, login, password recovery, and in comments forms. The Russian, German and Dutch languages are added already.
2. SI CAPTCHA Anti-Spam
This simple plugin adds CAPTCHA anti-spam methods to WordPress on the registration, comments, forget password, and login forms. You can use this plugin, for your single WordPress installed website, for WordPress multisite(WPMU), and for BuddyPress.
Get this plugin and start reducing spam from your blogs today.
3. Sweet Captcha
Sweet Captcha is a free captcha service that let’s you add a captcha form under main forms like registration, login, forget password, and comment form. Using this plugin can help you reduce spam in WordPress so easily.
4. KeyCAPTCHA – Social WordPress CAPTCHA
Keycaptcha is the free unique anti-spam solution. This captcha does not require any text typing. Moreover, the captcha contains social features too. It comes with two versions i.e, FREE and PREMIUM. Obviously, free version has fewer features included as compared to premium ones but both help you reduce spam from your WordPress blog.
5. Blue Captcha
Blue Captcha is a powerful and highly customized WordPress plugin that effectively protects your WP blogs from spammers and unwanted persons by simply displaying a bullet proof wall of captcha. It can be applied to any of the following form types:
- Login form
- Registration form
- Commentary form
- Password Recovery form
6. Enmask Captcha
EnMask Captcha is based on encrypted text and paired with matching web fonts so user will see clearly the challenge text while the spam programs see the underlying encrypted text.
7. Gab Captcha 2
Gab Captcha 2 is a simple, easy-to-solve and efficient captcha plugin for fighting spam in WordPress comments. It adds an easy Turing test before each comment form.
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