Website uptime monitoring, downtime alerts and an 11-check WooCommerce Health diagnostic with store health alerts.
Alternatives to Makuruwan Arithmetic Human Quiz
Plugins below are selected for functional relevance and current directory signals. Active-install counts do not affect this ranking.
WordPress plugins with similar use cases
Compatibility and update metadata provide context, not a quality guarantee. Review each plugin’s details for your site.
Completely free VAPTCHA human verification for WordPress login, registration, password reset, and comments.
Protects public WordPress forms, login, registration, comments, and WooCommerce product reviews with a local CAPTCHA and rate limits.
A simple math captcha plugin for comments, login, registration, WooCommerce reviews, and Contact Form 7.
Lightweight WooCommerce account security with math CAPTCHA, honeypots, bot checks, and brute-force protection.
A lightweight math CAPTCHA and spam protection plugin for WordPress login, WooCommerce, and Contact Form 7 forms.
Protect WordPress and WooCommerce with CAPTCHA, login limits, categorized audit logs, security alerts, privacy controls, and optional SMTP delivery.
Official Shielda CAPTCHA plugin to protect WordPress, WooCommerce, and WPForms against automated bots, brute-force attacks, and spam.
Add captcha to WooCommerce product reviews. Prevent spam reviews and ensure only real customers can submit reviews.
1 The Ultimate Spam Protection Plugin Using Captcha for WordPress Forms.