WebChecker is a fast, modern, and free tool designed to analyze HTTP security headers for any website. It helps developers and system administrators identify missing or misconfigured security headers like HSTS, CSP, and X-Frame-Options, improving overall web security awareness.
"Security is not a product, but a process."
Check out the live version deployed on Vercel:
https://webcheckerfree.vercel.app/
- Instant Analysis: Real-time scanning of target URLs using Python
requests. - Security Scoring: Proprietary algorithm calculates a score (0-100) based on header weights.
- Visual Reports: Interactive charts and color-coded badges (
Secure/Risk) for clarity. - Actionable Recommendations: Provides detailed guidance to fix missing or misconfigured headers.
- Modern UI/UX:
- Clean Glassmorphism design.
- Fully responsive layout for mobile and desktop.
- Built with Tailwind CSS.
- Interactive alerts powered by SweetAlert2.
- Advanced SEO: Optimized with JSON-LD Structured Data for software applications.
- Python 3.14 – Core programming language
- Flask – Lightweight WSGI web framework
- Requests – For HTTP requests to target websites
- HTML5 – Dynamic templates
- Tailwind CSS – Utility-first CSS framework
- JavaScript – Async/Await for non-blocking API calls
- SweetAlert2 – Beautiful, responsive popups
- FontAwesome – Iconography
Configured for serverless deployment on Vercel. Easy to deploy and scale without managing servers.
Open-source. Feel free to improve, fork, or modify as you wish.
© 2026 Irfan Syarifudin