Free online website uptime checker. Enter a URL to check if a website is accessible. Shows HTTP status code, response time, server info. Supports batch checking multiple sites.
Zero Deps ยท Works Offline๐ Enter URL
๐ก Note
Check via browser HTTP request. Some sites may be unreachable due to CORS policy. HEAD method recommended to save bandwidth.
What is Website Uptime Checker?
Website Uptime Checker is a free online tool that runs entirely in your browser. No download or signup needed โ enter Website URL and other values to get results instantly. All data is processed locally.
Use Cases
- Check if a website is online or offline
- Verify server response time
- Test HTTP status codes
- Monitor website availability
Key Features
- Completely Free: No registration, no limits
- Privacy Safe: Data never leaves your browser
- Cross-Platform: Any modern browser
- Zero Dependencies: Open and use