Check website availability and response time directly from your browser.
Browser-based limitations: This tool runs entirely in your browser. It cannot perform true DNS timing, TCP timing, TLS timing, or server-side checks. Results may be limited by CORS and mixed-content restrictions. For production-grade monitoring, a backend proxy or server-side checker is required.
Supports https://, http://, domain.com, IP:PORT. If no protocol is given, both HTTP and HTTPS will be tested.