Best CAPTCHA WordPress Comment Security Plugins

In this part of WordPress Security Plugins, we're posting about the TOP Captcha plugins available for WordPress:Block By Spam Math follows a simple math question approach to protect the registration, login and comment forms from spambots.SI CAPTCHA Anti-Spam adds CAPTCHA anti-spam methods to WordPress comment form, registration form, login, or all.yaCAPTCHA is the most useful […]

In this part of WordPress Security Plugins, we're posting about the TOP Captcha plugins available for WordPress:

  1. Block By Spam Math follows a simple math question approach to protect the registration, login and comment forms from spambots.
  2. SI CAPTCHA Anti-Spam adds CAPTCHA anti-spam methods to WordPress comment form, registration form, login, or all.
  3. yaCAPTCHA is the most useful antispam plugin. It helps you block comment spam from automated bots.
  4. NuCaptcha is a captcha-based platform that uses motion video to authenticate human web interactions. Publishers have a choice between old style, static Captcha security and NuCaptcha platform; a multi purpose product which provides industry leading security combined with brand messaging, advertising and unique user engagement.
  5. Math Comment Spam Protection asks visitor making the comment to answer a simple math question intended to prove that visitor is a human being and not a spam robot.

Als, check the first part Best Useful WordPress Comment Security Plugins.