Directory / plugin
Mathlock Guard
v2.0 · by ishanishr
Protects your site with a lightweight math CAPTCHA, requiring visitors to solve a simple question before accessing your content.
About this plugin
Mathlock Guard protects your site’s public-facing content behind a lightweight math verification challenge. Visitors must correctly answer a simple arithmetic question before accessing your pages, providing an accessible, low-friction alternative to traditional CAPTCHA systems. Site administrators and the login page remain fully accessible at all times, ensuring uninterrupted site management, while all other visitors, including logged-in users such as editors, authors, and subscribers, are required to pass the verification screen.
Demo
Try Mathlock Guard on the author’s website: https://ishanishrestha.com.np
Features include:
- Random math challenges
- Administrator bypass
- Admin dashboard and login page exclusions
- Nonce verification for form submissions
- Server-side challenge storage
- Temporary unlock functionality
- Separate CSS and template files