What is BRI? BRI is a more accurate health metric than BMI, considering body shape by including waist circumference in its calculation.

Tech stack: - Frontend: HTML, CSS, JavaScript - Backend: Node.js - Hosting: Vercel - CI/CD: GitHub Actions

Key features: 1. Serverless architecture for fast loading and scalability 2. Multi-language support (i18n) with 8 languages 3. Responsive design using CSS Grid and Flexbox 4. PWA for offline functionality 5. Integration with Web Storage API for user data persistence

Why BRI Calculator? 1. Open-source: Contribute on GitHub https://github.com/wsgtcyx/Free-Body-Roundness-Index-BRI-Cal... 2. Privacy-focused: All calculations done client-side 3. API available: Integrate BRI calculations into your projects 4. Accessibility: WCAG 2.1 AA compliant

I built this tool while learning web development, aiming to create something useful for the community. I'd love to hear your feedback, feature requests, or any questions about the implementation.

What's next? - Mobile app development (React Native) - Machine learning integration for personalized health insights - Data visualization improvements with D3.js

Try it out and let me know what you think!