UAParser.js: The Essential Web Development Tool for User-Agent Detection. Detect Browsers, OS, Devices, Bots, Apps, AI Crawlers, and more. Run in Browser or Node
- user-agent-parser
- browser-detection
- user-agent
- client-hints
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a browser detector
- javascript
- detect-browsers
- browser-detector
- browser
A Python library that provides an easy way to identify devices like mobile phones, tablets and their capabilities by parsing (browser) user agent strings.
- user-agent-detection
- browser-detection
- python
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