The major drawback of this web based Azure speed test tool is that this tool does not measure latency with ICMP ping or TCP ping, due to browser limitation.
If you want to measure ICMP ping latency to Azure data centers, you might want to check a great tool called PsPing from PsTools suite. PsPing is a command-line utility for measuring network performance, it implements Ping functionality, TCP ping, latency and bandwidth measurement. For the context of this toturial, let’s focus on the latency.
Here is how to run your network latency test using PsPing tool:
psping target:portThe target can be ip or dns name of VM, Storage, SQL Database and other public endpoint