Why 100% loss when the site works?

Ping test

Does the host answer, how quickly, and are packets lost?

Tested from around the worldPlain English + technicalFree, no sign-upping.middle.network

The health check runs this and 30 more checks on a domain, then ranks what to fix.

Firewalls, switches and Wi-Fi bundled for homes and offices.

Ping any host or IP from our probe servers to measure round-trip time (latency) and packet loss.

Every result comes in two styles: plain English for everyone, and the exact technical detail for engineers, with the raw JSON one click away.

Many hosts block ICMP. Use TCP ping on port 443 instead.