ALTCHA offers a free, open-source Captcha alternative, ensuring robust spam protection while respecting user privacy and GDPR compliance.
Categories: Security, WordPress plugin
Official website: https://wordpress.org/plugins/altcha-spam-protection/
ALTCHA Spam Protection is ranked #26 of 316 in Security by website adoption.
WhatStack detects ALTCHA Spam Protection by analyzing HTTP headers, HTML source code, JavaScript globals, meta tags, cookies, DNS records, and ads.txt entries using signature-based pattern matching across 10 different analyzers.