A Lightweight Pure JavaScript Captcha for Node.js. No C/C++, No ImageMagick, No Canvas.
- pure-javascript
- captcha
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Slider captcha support mobile
Self-hosted, invisible CAPTCHA that detects AI agents driving real browsers. GDPR, WCAG 2.2 AA, and EAA: no cookies, no third-party data sharing, and no visual or audio puzzle. With a false-positive budget enforced in CI. Proof of work, drop-in for Turnstile and reCAPTCHA.
- anti-bot
- behavioral-analysis
- bot-detection
- captcha
reCAPTCHA v3 Cloudflare Worker
- cloudflare-workers
- cloudflare-worker
- cloudflare
- recaptcha
Capture, inspect, and replay webhooks with 90-day history + signature verification. Built on Cloudflare Workers + D1.