Ping & Speed Pro
https://internetspeedtest.at/
Perform a complete performance check of your internet, measuring download, upload, and response times with high accuracy.

Check Your Internet Speed for Reliable Connectivity

Easily measure your internet’s download, upload, and latency to understand connection performance. Identify slow or unstable networks that affect streaming, gaming, and browsing. Improve your online experience by optimizing your internet setup for consistent speed.
https://internetspeedtest.at/