About IsDown

IsDown is a free, real-time website status monitoring service that helps you quickly check if any website is up or down. Built with modern web technologies, we provide instant status checks, uptime tracking, and historical data.

Real-Time Monitoring

Instant status checks with response time tracking

Uptime Statistics

30-day uptime tracking with historical data

Any Domain

Check status for any website or domain

Privacy Focused

Your data stays private and secure

How It Works

Enter a Domain

Simply type any website URL you want to monitor

Real-Time Check

We perform an instant HTTP request to check the status

View Results

Get instant status, response time, and historical uptime data

Technology Stack

Built with Next.js 16, React 19, TypeScript, Tailwind CSS v4, and deployed on Vercel. Database powered by Neon PostgreSQL for reliable uptime tracking.