# Uptime Guard - Website Uptime Monitor > Monitor your websites uptime from the browser toolbar. Get instant alerts when your site goes down. ## About Uptime Guard is a website uptime monitoring SaaS that checks the availability and response time of your websites at regular intervals (30 seconds to 5 minutes). It includes a web dashboard, Chrome browser extension, and alert notifications via email, push, webhooks, Slack, and Discord. ## Key Features - Uptime Monitoring: HTTP/HTTPS checks every 30s to 5min - Response Time Tracking: DNS, TCP, TLS, server processing times - Instant Alerts: Email, push, webhook, Slack, Discord notifications - SSL Certificate Monitoring: Alerts before certificate expiration - Check History & Reports: Detailed uptime logs and incident timelines - Chrome Extension: Real-time toolbar badge with monitor status - Drag & Drop Reordering: Organize monitors by priority - Multi-language: English and Turkish ## Pricing - Free: 3 monitors, 5min interval, 24h history - Pro ($4.99/mo): 25 monitors, 1min interval, 90 days history - Agency ($14.99/mo): 100 monitors, 30s interval, 1 year history ## Links - Website: https://uptimeguard.online - Features: https://uptimeguard.online/features - Pricing: https://uptimeguard.online/pricing - Chrome Extension: https://uptimeguard.online/extension - Documentation: https://uptimeguard.online/docs - Blog: https://uptimeguard.online/blog - About: https://uptimeguard.online/about - Privacy Policy: https://uptimeguard.online/privacy - Terms of Service: https://uptimeguard.online/terms ## Tech Stack - Frontend: Next.js 15, React 19, Tailwind CSS 4, Framer Motion - Backend: Node.js 22, PostgreSQL, Redis, BullMQ - Auth: better-auth (email/password, Google, GitHub OAuth) - Payments: Lemon Squeezy - Monitoring: Drizzle ORM, undici HTTP client - Extension: WXT (Manifest V3), React ## API REST API available for programmatic access: - Create/manage monitors - Fetch check results and statistics - Configure notification channels - Webhook integrations ## Contact - Email: support@uptimeguard.online - Privacy: privacy@uptimeguard.online