Mimi Captcha
简洁的中文验证码插件。在 WordPress 登陆、注册或评论表单中加入验证码，支持字母、数字、中文和算术形式。 Adds Captcha Code anti-spam methods to WordPress forms. Supports numbers, alphabets and…
Tag của Plugin: CAPTCHA Code
Easy Captcha by Croitre
Adds Mathematical Captcha to be solved in your form to prevent spam.